Home / 661,853.52-992,935.80-188,545.68

Finding the Fourth Proportional to 661,853.52, 992,935.80 and 188,545.68

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Solution

The fourth proportional to 661,853.52, 992,935.80 and 188,545.68 is: 282,862.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,853.52 : 992,935.80 = 188,545.68 : x
  2. Step 2: Convert to fraction form
    661,853.52/992,935.80 = 188,545.68/x
  3. Step 3: Cross multiply
    661,853.52x = 992,935.80 × 188,545.68
  4. Step 4: Simplify right side
    661,853.52x = 187,213,755,607.34
  5. Step 5: Solve for x
    x = 187,213,755,607.34/661,853.52
  6. Step 6: Final answer
    x = 282,862.82

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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.