Home / 283,750.08-391,592.25-156,425.10

Finding the Fourth Proportional to 283,750.08, 391,592.25 and 156,425.10

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Solution

The fourth proportional to 283,750.08, 391,592.25 and 156,425.10 is: 215,876.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,750.08 : 391,592.25 = 156,425.10 : x
  2. Step 2: Convert to fraction form
    283,750.08/391,592.25 = 156,425.10/x
  3. Step 3: Cross multiply
    283,750.08x = 391,592.25 × 156,425.10
  4. Step 4: Simplify right side
    283,750.08x = 61,254,856,865.48
  5. Step 5: Solve for x
    x = 61,254,856,865.48/283,750.08
  6. Step 6: Final answer
    x = 215,876.09

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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.