Home / 156,618.72-234,927.24-38,290.56

Finding the Fourth Proportional to 156,618.72, 234,927.24 and 38,290.56

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Solution

The fourth proportional to 156,618.72, 234,927.24 and 38,290.56 is: 57,435.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,618.72 : 234,927.24 = 38,290.56 : x
  2. Step 2: Convert to fraction form
    156,618.72/234,927.24 = 38,290.56/x
  3. Step 3: Cross multiply
    156,618.72x = 234,927.24 × 38,290.56
  4. Step 4: Simplify right side
    156,618.72x = 8,995,495,578.85
  5. Step 5: Solve for x
    x = 8,995,495,578.85/156,618.72
  6. Step 6: Final answer
    x = 57,435.63

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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.