Home / 440,742.38-661,129.14-141,184.04

Finding the Fourth Proportional to 440,742.38, 661,129.14 and 141,184.04

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Solution

The fourth proportional to 440,742.38, 661,129.14 and 141,184.04 is: 211,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,742.38 : 661,129.14 = 141,184.04 : x
  2. Step 2: Convert to fraction form
    440,742.38/661,129.14 = 141,184.04/x
  3. Step 3: Cross multiply
    440,742.38x = 661,129.14 × 141,184.04
  4. Step 4: Simplify right side
    440,742.38x = 93,340,882,946.93
  5. Step 5: Solve for x
    x = 93,340,882,946.93/440,742.38
  6. Step 6: Final answer
    x = 211,781.05

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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.