Home / 163,298.62-225,335.28-91,686.52

Finding the Fourth Proportional to 163,298.62, 225,335.28 and 91,686.52

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Solution

The fourth proportional to 163,298.62, 225,335.28 and 91,686.52 is: 126,517.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,298.62 : 225,335.28 = 91,686.52 : x
  2. Step 2: Convert to fraction form
    163,298.62/225,335.28 = 91,686.52/x
  3. Step 3: Cross multiply
    163,298.62x = 225,335.28 × 91,686.52
  4. Step 4: Simplify right side
    163,298.62x = 20,660,207,656.43
  5. Step 5: Solve for x
    x = 20,660,207,656.43/163,298.62
  6. Step 6: Final answer
    x = 126,517.96

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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.