Home / 161,514.47-242,299.38-54,887.15

Finding the Fourth Proportional to 161,514.47, 242,299.38 and 54,887.15

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Solution

The fourth proportional to 161,514.47, 242,299.38 and 54,887.15 is: 82,340.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,514.47 : 242,299.38 = 54,887.15 : x
  2. Step 2: Convert to fraction form
    161,514.47/242,299.38 = 54,887.15/x
  3. Step 3: Cross multiply
    161,514.47x = 242,299.38 × 54,887.15
  4. Step 4: Simplify right side
    161,514.47x = 13,299,122,414.97
  5. Step 5: Solve for x
    x = 13,299,122,414.97/161,514.47
  6. Step 6: Final answer
    x = 82,340.13

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1.5x scale

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.