Home / 283,757.08-391,587.38-156,437.24

Finding the Fourth Proportional to 283,757.08, 391,587.38 and 156,437.24

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Solution

The fourth proportional to 283,757.08, 391,587.38 and 156,437.24 is: 215,884.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,757.08 : 391,587.38 = 156,437.24 : x
  2. Step 2: Convert to fraction form
    283,757.08/391,587.38 = 156,437.24/x
  3. Step 3: Cross multiply
    283,757.08x = 391,587.38 × 156,437.24
  4. Step 4: Simplify right side
    283,757.08x = 61,258,848,946.03
  5. Step 5: Solve for x
    x = 61,258,848,946.03/283,757.08
  6. Step 6: Final answer
    x = 215,884.83

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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.