Home / 205,720.85-283,881.44-115,061.13

Finding the Fourth Proportional to 205,720.85, 283,881.44 and 115,061.13

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Solution

The fourth proportional to 205,720.85, 283,881.44 and 115,061.13 is: 158,776.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,720.85 : 283,881.44 = 115,061.13 : x
  2. Step 2: Convert to fraction form
    205,720.85/283,881.44 = 115,061.13/x
  3. Step 3: Cross multiply
    205,720.85x = 283,881.44 × 115,061.13
  4. Step 4: Simplify right side
    205,720.85x = 32,663,719,560.08
  5. Step 5: Solve for x
    x = 32,663,719,560.08/205,720.85
  6. Step 6: Final answer
    x = 158,776.90

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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.