Home / 187,530.24-281,412-136,840.44

Finding the Fourth Proportional to 187,530.24, 281,412 and 136,840.44

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Solution

The fourth proportional to 187,530.24, 281,412 and 136,840.44 is: 205,345.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,530.24 : 281,412 = 136,840.44 : x
  2. Step 2: Convert to fraction form
    187,530.24/281,412 = 136,840.44/x
  3. Step 3: Cross multiply
    187,530.24x = 281,412 × 136,840.44
  4. Step 4: Simplify right side
    187,530.24x = 38,508,541,901.28
  5. Step 5: Solve for x
    x = 38,508,541,901.28/187,530.24
  6. Step 6: Final answer
    x = 205,345.77

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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.