Home / 161,127.72-222,356.40-89,514.40

Finding the Fourth Proportional to 161,127.72, 222,356.40 and 89,514.40

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Solution

The fourth proportional to 161,127.72, 222,356.40 and 89,514.40 is: 123,529.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,127.72 : 222,356.40 = 89,514.40 : x
  2. Step 2: Convert to fraction form
    161,127.72/222,356.40 = 89,514.40/x
  3. Step 3: Cross multiply
    161,127.72x = 222,356.40 × 89,514.40
  4. Step 4: Simplify right side
    161,127.72x = 19,904,099,732.16
  5. Step 5: Solve for x
    x = 19,904,099,732.16/161,127.72
  6. Step 6: Final answer
    x = 123,529.95

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1.5x scale

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.