Home / 283,919.28-391,794.48-156,587.28

Finding the Fourth Proportional to 283,919.28, 391,794.48 and 156,587.28

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Solution

The fourth proportional to 283,919.28, 391,794.48 and 156,587.28 is: 216,082.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,919.28 : 391,794.48 = 156,587.28 : x
  2. Step 2: Convert to fraction form
    283,919.28/391,794.48 = 156,587.28/x
  3. Step 3: Cross multiply
    283,919.28x = 391,794.48 × 156,587.28
  4. Step 4: Simplify right side
    283,919.28x = 61,350,031,942.21
  5. Step 5: Solve for x
    x = 61,350,031,942.21/283,919.28
  6. Step 6: Final answer
    x = 216,082.66

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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.