Home / 131,598.43-181,605.31-71,169.14

Finding the Fourth Proportional to 131,598.43, 181,605.31 and 71,169.14

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Solution

The fourth proportional to 131,598.43, 181,605.31 and 71,169.14 is: 98,213.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,598.43 : 181,605.31 = 71,169.14 : x
  2. Step 2: Convert to fraction form
    131,598.43/181,605.31 = 71,169.14/x
  3. Step 3: Cross multiply
    131,598.43x = 181,605.31 × 71,169.14
  4. Step 4: Simplify right side
    131,598.43x = 12,924,692,986.69
  5. Step 5: Solve for x
    x = 12,924,692,986.69/131,598.43
  6. Step 6: Final answer
    x = 98,213.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.