Home / 283,336.44-391,000.14-156,008.76

Finding the Fourth Proportional to 283,336.44, 391,000.14 and 156,008.76

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Solution

The fourth proportional to 283,336.44, 391,000.14 and 156,008.76 is: 215,289.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,336.44 : 391,000.14 = 156,008.76 : x
  2. Step 2: Convert to fraction form
    283,336.44/391,000.14 = 156,008.76/x
  3. Step 3: Cross multiply
    283,336.44x = 391,000.14 × 156,008.76
  4. Step 4: Simplify right side
    283,336.44x = 60,999,447,001.23
  5. Step 5: Solve for x
    x = 60,999,447,001.23/283,336.44
  6. Step 6: Final answer
    x = 215,289.81

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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.