Home / 171,508.24-236,688.66-99,876.72

Finding the Fourth Proportional to 171,508.24, 236,688.66 and 99,876.72

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Solution

The fourth proportional to 171,508.24, 236,688.66 and 99,876.72 is: 137,834.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,508.24 : 236,688.66 = 99,876.72 : x
  2. Step 2: Convert to fraction form
    171,508.24/236,688.66 = 99,876.72/x
  3. Step 3: Cross multiply
    171,508.24x = 236,688.66 × 99,876.72
  4. Step 4: Simplify right side
    171,508.24x = 23,639,687,022.00
  5. Step 5: Solve for x
    x = 23,639,687,022.00/171,508.24
  6. Step 6: Final answer
    x = 137,834.12

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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.