Home / 283,556.17-391,307.20-156,231.73

Finding the Fourth Proportional to 283,556.17, 391,307.20 and 156,231.73

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Solution

The fourth proportional to 283,556.17, 391,307.20 and 156,231.73 is: 215,599.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,556.17 : 391,307.20 = 156,231.73 : x
  2. Step 2: Convert to fraction form
    283,556.17/391,307.20 = 156,231.73/x
  3. Step 3: Cross multiply
    283,556.17x = 391,307.20 × 156,231.73
  4. Step 4: Simplify right side
    283,556.17x = 61,134,600,817.46
  5. Step 5: Solve for x
    x = 61,134,600,817.46/283,556.17
  6. Step 6: Final answer
    x = 215,599.61

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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.