Home / 359,791.12-539,588.13-135,134.18

Finding the Fourth Proportional to 359,791.12, 539,588.13 and 135,134.18

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Solution

The fourth proportional to 359,791.12, 539,588.13 and 135,134.18 is: 202,664.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,791.12 : 539,588.13 = 135,134.18 : x
  2. Step 2: Convert to fraction form
    359,791.12/539,588.13 = 135,134.18/x
  3. Step 3: Cross multiply
    359,791.12x = 539,588.13 × 135,134.18
  4. Step 4: Simplify right side
    359,791.12x = 72,916,799,485.28
  5. Step 5: Solve for x
    x = 72,916,799,485.28/359,791.12
  6. Step 6: Final answer
    x = 202,664.26

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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.