Home / 292,500.10-438,531.45-123,882.40

Finding the Fourth Proportional to 292,500.10, 438,531.45 and 123,882.40

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Solution

The fourth proportional to 292,500.10, 438,531.45 and 123,882.40 is: 185,730.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,500.10 : 438,531.45 = 123,882.40 : x
  2. Step 2: Convert to fraction form
    292,500.10/438,531.45 = 123,882.40/x
  3. Step 3: Cross multiply
    292,500.10x = 438,531.45 × 123,882.40
  4. Step 4: Simplify right side
    292,500.10x = 54,326,328,501.48
  5. Step 5: Solve for x
    x = 54,326,328,501.48/292,500.10
  6. Step 6: Final answer
    x = 185,730.97

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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.