Home / 440,154.20-659,632.31-187,116.68

Finding the Fourth Proportional to 440,154.20, 659,632.31 and 187,116.68

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Solution

The fourth proportional to 440,154.20, 659,632.31 and 187,116.68 is: 280,420.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,154.20 : 659,632.31 = 187,116.68 : x
  2. Step 2: Convert to fraction form
    440,154.20/659,632.31 = 187,116.68/x
  3. Step 3: Cross multiply
    440,154.20x = 659,632.31 × 187,116.68
  4. Step 4: Simplify right side
    440,154.20x = 123,428,209,283.12
  5. Step 5: Solve for x
    x = 123,428,209,283.12/440,154.20
  6. Step 6: Final answer
    x = 280,420.38

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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.