Home / 137,743.90-206,615.85-49,000.30

Finding the Fourth Proportional to 137,743.90, 206,615.85 and 49,000.30

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Solution

The fourth proportional to 137,743.90, 206,615.85 and 49,000.30 is: 73,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,743.90 : 206,615.85 = 49,000.30 : x
  2. Step 2: Convert to fraction form
    137,743.90/206,615.85 = 49,000.30/x
  3. Step 3: Cross multiply
    137,743.90x = 206,615.85 × 49,000.30
  4. Step 4: Simplify right side
    137,743.90x = 10,124,238,634.76
  5. Step 5: Solve for x
    x = 10,124,238,634.76/137,743.90
  6. Step 6: Final answer
    x = 73,500.45

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Similar ratio
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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.