Home / 132,389.52-198,472.74-57,453.24

Finding the Fourth Proportional to 132,389.52, 198,472.74 and 57,453.24

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Solution

The fourth proportional to 132,389.52, 198,472.74 and 57,453.24 is: 86,131.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,389.52 : 198,472.74 = 57,453.24 : x
  2. Step 2: Convert to fraction form
    132,389.52/198,472.74 = 57,453.24/x
  3. Step 3: Cross multiply
    132,389.52x = 198,472.74 × 57,453.24
  4. Step 4: Simplify right side
    132,389.52x = 11,402,901,964.68
  5. Step 5: Solve for x
    x = 11,402,901,964.68/132,389.52
  6. Step 6: Final answer
    x = 86,131.45

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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.