Home / 439,434.30-659,151.45-107,010.30

Finding the Fourth Proportional to 439,434.30, 659,151.45 and 107,010.30

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Solution

The fourth proportional to 439,434.30, 659,151.45 and 107,010.30 is: 160,515.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,434.30 : 659,151.45 = 107,010.30 : x
  2. Step 2: Convert to fraction form
    439,434.30/659,151.45 = 107,010.30/x
  3. Step 3: Cross multiply
    439,434.30x = 659,151.45 × 107,010.30
  4. Step 4: Simplify right side
    439,434.30x = 70,535,994,409.94
  5. Step 5: Solve for x
    x = 70,535,994,409.94/439,434.30
  6. Step 6: Final answer
    x = 160,515.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.