Home / 156,645.90-234,968.85-38,315.70

Finding the Fourth Proportional to 156,645.90, 234,968.85 and 38,315.70

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Solution

The fourth proportional to 156,645.90, 234,968.85 and 38,315.70 is: 57,473.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,645.90 : 234,968.85 = 38,315.70 : x
  2. Step 2: Convert to fraction form
    156,645.90/234,968.85 = 38,315.70/x
  3. Step 3: Cross multiply
    156,645.90x = 234,968.85 × 38,315.70
  4. Step 4: Simplify right side
    156,645.90x = 9,002,995,965.95
  5. Step 5: Solve for x
    x = 9,002,995,965.95/156,645.90
  6. Step 6: Final answer
    x = 57,473.55

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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.