Home / 132,333.86-198,389.20-57,397.56

Finding the Fourth Proportional to 132,333.86, 198,389.20 and 57,397.56

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Solution

The fourth proportional to 132,333.86, 198,389.20 and 57,397.56 is: 86,047.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,333.86 : 198,389.20 = 57,397.56 : x
  2. Step 2: Convert to fraction form
    132,333.86/198,389.20 = 57,397.56/x
  3. Step 3: Cross multiply
    132,333.86x = 198,389.20 × 57,397.56
  4. Step 4: Simplify right side
    132,333.86x = 11,387,056,010.35
  5. Step 5: Solve for x
    x = 11,387,056,010.35/132,333.86
  6. Step 6: Final answer
    x = 86,047.94

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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.