Home / 269,217.60-371,515.20-156,050.88

Finding the Fourth Proportional to 269,217.60, 371,515.20 and 156,050.88

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Solution

The fourth proportional to 269,217.60, 371,515.20 and 156,050.88 is: 215,347.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,217.60 : 371,515.20 = 156,050.88 : x
  2. Step 2: Convert to fraction form
    269,217.60/371,515.20 = 156,050.88/x
  3. Step 3: Cross multiply
    269,217.60x = 371,515.20 × 156,050.88
  4. Step 4: Simplify right side
    269,217.60x = 57,975,273,893.38
  5. Step 5: Solve for x
    x = 57,975,273,893.38/269,217.60
  6. Step 6: Final answer
    x = 215,347.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.