Home / 187,499.52-258,480.24-133,691.28

Finding the Fourth Proportional to 187,499.52, 258,480.24 and 133,691.28

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Solution

The fourth proportional to 187,499.52, 258,480.24 and 133,691.28 is: 184,302.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,499.52 : 258,480.24 = 133,691.28 : x
  2. Step 2: Convert to fraction form
    187,499.52/258,480.24 = 133,691.28/x
  3. Step 3: Cross multiply
    187,499.52x = 258,480.24 × 133,691.28
  4. Step 4: Simplify right side
    187,499.52x = 34,556,554,140.31
  5. Step 5: Solve for x
    x = 34,556,554,140.31/187,499.52
  6. Step 6: Final answer
    x = 184,302.09

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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.