Home / 381,331.91-572,184.44-153,618.05

Finding the Fourth Proportional to 381,331.91, 572,184.44 and 153,618.05

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Solution

The fourth proportional to 381,331.91, 572,184.44 and 153,618.05 is: 230,502.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,331.91 : 572,184.44 = 153,618.05 : x
  2. Step 2: Convert to fraction form
    381,331.91/572,184.44 = 153,618.05/x
  3. Step 3: Cross multiply
    381,331.91x = 572,184.44 × 153,618.05
  4. Step 4: Simplify right side
    381,331.91x = 87,897,857,913.14
  5. Step 5: Solve for x
    x = 87,897,857,913.14/381,331.91
  6. Step 6: Final answer
    x = 230,502.24

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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.