Home / 156,917.56-216,569.92-95,699.28

Finding the Fourth Proportional to 156,917.56, 216,569.92 and 95,699.28

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Solution

The fourth proportional to 156,917.56, 216,569.92 and 95,699.28 is: 132,079.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,917.56 : 216,569.92 = 95,699.28 : x
  2. Step 2: Convert to fraction form
    156,917.56/216,569.92 = 95,699.28/x
  3. Step 3: Cross multiply
    156,917.56x = 216,569.92 × 95,699.28
  4. Step 4: Simplify right side
    156,917.56x = 20,725,585,413.66
  5. Step 5: Solve for x
    x = 20,725,585,413.66/156,917.56
  6. Step 6: Final answer
    x = 132,079.45

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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.