Home / 136,585.30-188,473.92-76,150.27

Finding the Fourth Proportional to 136,585.30, 188,473.92 and 76,150.27

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Solution

The fourth proportional to 136,585.30, 188,473.92 and 76,150.27 is: 105,079.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,585.30 : 188,473.92 = 76,150.27 : x
  2. Step 2: Convert to fraction form
    136,585.30/188,473.92 = 76,150.27/x
  3. Step 3: Cross multiply
    136,585.30x = 188,473.92 × 76,150.27
  4. Step 4: Simplify right side
    136,585.30x = 14,352,339,895.96
  5. Step 5: Solve for x
    x = 14,352,339,895.96/136,585.30
  6. Step 6: Final answer
    x = 105,079.68

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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.