Home / 88,176.40-132,097.86-68,357.92

Finding the Fourth Proportional to 88,176.40, 132,097.86 and 68,357.92

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Solution

The fourth proportional to 88,176.40, 132,097.86 and 68,357.92 is: 102,407.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,176.40 : 132,097.86 = 68,357.92 : x
  2. Step 2: Convert to fraction form
    88,176.40/132,097.86 = 68,357.92/x
  3. Step 3: Cross multiply
    88,176.40x = 132,097.86 × 68,357.92
  4. Step 4: Simplify right side
    88,176.40x = 9,029,934,946.05
  5. Step 5: Solve for x
    x = 9,029,934,946.05/88,176.40
  6. Step 6: Final answer
    x = 102,407.62

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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.