Home / 439,620.90-659,366.55-124,109.70

Finding the Fourth Proportional to 439,620.90, 659,366.55 and 124,109.70

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Solution

The fourth proportional to 439,620.90, 659,366.55 and 124,109.70 is: 186,146.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,620.90 : 659,366.55 = 124,109.70 : x
  2. Step 2: Convert to fraction form
    439,620.90/659,366.55 = 124,109.70/x
  3. Step 3: Cross multiply
    439,620.90x = 659,366.55 × 124,109.70
  4. Step 4: Simplify right side
    439,620.90x = 81,833,784,710.54
  5. Step 5: Solve for x
    x = 81,833,784,710.54/439,620.90
  6. Step 6: Final answer
    x = 186,146.26

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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.