Home / 439,749.10-659,623.65-107,325.10

Finding the Fourth Proportional to 439,749.10, 659,623.65 and 107,325.10

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Solution

The fourth proportional to 439,749.10, 659,623.65 and 107,325.10 is: 160,987.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,749.10 : 659,623.65 = 107,325.10 : x
  2. Step 2: Convert to fraction form
    439,749.10/659,623.65 = 107,325.10/x
  3. Step 3: Cross multiply
    439,749.10x = 659,623.65 × 107,325.10
  4. Step 4: Simplify right side
    439,749.10x = 70,794,174,198.62
  5. Step 5: Solve for x
    x = 70,794,174,198.62/439,749.10
  6. Step 6: Final answer
    x = 160,987.65

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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.