Home / 283,981.27-391,895.44-156,656.83

Finding the Fourth Proportional to 283,981.27, 391,895.44 and 156,656.83

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Solution

The fourth proportional to 283,981.27, 391,895.44 and 156,656.83 is: 216,187.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,981.27 : 391,895.44 = 156,656.83 : x
  2. Step 2: Convert to fraction form
    283,981.27/391,895.44 = 156,656.83/x
  3. Step 3: Cross multiply
    283,981.27x = 391,895.44 × 156,656.83
  4. Step 4: Simplify right side
    283,981.27x = 61,393,097,321.86
  5. Step 5: Solve for x
    x = 61,393,097,321.86/283,981.27
  6. Step 6: Final answer
    x = 216,187.14

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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.