Home / 283,825.24-391,658.80-156,498.12

Finding the Fourth Proportional to 283,825.24, 391,658.80 and 156,498.12

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Solution

The fourth proportional to 283,825.24, 391,658.80 and 156,498.12 is: 215,956.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,825.24 : 391,658.80 = 156,498.12 : x
  2. Step 2: Convert to fraction form
    283,825.24/391,658.80 = 156,498.12/x
  3. Step 3: Cross multiply
    283,825.24x = 391,658.80 × 156,498.12
  4. Step 4: Simplify right side
    283,825.24x = 61,293,865,881.46
  5. Step 5: Solve for x
    x = 61,293,865,881.46/283,825.24
  6. Step 6: Final answer
    x = 215,956.36

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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.