Home / 187,024.52-280,088.84-136,287.54

Finding the Fourth Proportional to 187,024.52, 280,088.84 and 136,287.54

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Solution

The fourth proportional to 187,024.52, 280,088.84 and 136,287.54 is: 204,104.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,024.52 : 280,088.84 = 136,287.54 : x
  2. Step 2: Convert to fraction form
    187,024.52/280,088.84 = 136,287.54/x
  3. Step 3: Cross multiply
    187,024.52x = 280,088.84 × 136,287.54
  4. Step 4: Simplify right side
    187,024.52x = 38,172,618,985.05
  5. Step 5: Solve for x
    x = 38,172,618,985.05/187,024.52
  6. Step 6: Final answer
    x = 204,104.89

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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.