Home / 283,826.24-391,679.80-156,502.14

Finding the Fourth Proportional to 283,826.24, 391,679.80 and 156,502.14

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Solution

The fourth proportional to 283,826.24, 391,679.80 and 156,502.14 is: 215,972.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,826.24 : 391,679.80 = 156,502.14 : x
  2. Step 2: Convert to fraction form
    283,826.24/391,679.80 = 156,502.14/x
  3. Step 3: Cross multiply
    283,826.24x = 391,679.80 × 156,502.14
  4. Step 4: Simplify right side
    283,826.24x = 61,298,726,894.77
  5. Step 5: Solve for x
    x = 61,298,726,894.77/283,826.24
  6. Step 6: Final answer
    x = 215,972.73

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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.