Home / 188,935.13-283,398.29-76,585.30

Finding the Fourth Proportional to 188,935.13, 283,398.29 and 76,585.30

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Solution

The fourth proportional to 188,935.13, 283,398.29 and 76,585.30 is: 114,876.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,935.13 : 283,398.29 = 76,585.30 : x
  2. Step 2: Convert to fraction form
    188,935.13/283,398.29 = 76,585.30/x
  3. Step 3: Cross multiply
    188,935.13x = 283,398.29 × 76,585.30
  4. Step 4: Simplify right side
    188,935.13x = 21,704,142,685.70
  5. Step 5: Solve for x
    x = 21,704,142,685.70/188,935.13
  6. Step 6: Final answer
    x = 114,876.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.