Home / 283,837.02-391,694.85-156,520.68

Finding the Fourth Proportional to 283,837.02, 391,694.85 and 156,520.68

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Solution

The fourth proportional to 283,837.02, 391,694.85 and 156,520.68 is: 215,998.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,837.02 : 391,694.85 = 156,520.68 : x
  2. Step 2: Convert to fraction form
    283,837.02/391,694.85 = 156,520.68/x
  3. Step 3: Cross multiply
    283,837.02x = 391,694.85 × 156,520.68
  4. Step 4: Simplify right side
    283,837.02x = 61,308,344,274.50
  5. Step 5: Solve for x
    x = 61,308,344,274.50/283,837.02
  6. Step 6: Final answer
    x = 215,998.41

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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.