Home / 163,542.20-225,682.32-91,926.14

Finding the Fourth Proportional to 163,542.20, 225,682.32 and 91,926.14

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Solution

The fourth proportional to 163,542.20, 225,682.32 and 91,926.14 is: 126,854.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,542.20 : 225,682.32 = 91,926.14 : x
  2. Step 2: Convert to fraction form
    163,542.20/225,682.32 = 91,926.14/x
  3. Step 3: Cross multiply
    163,542.20x = 225,682.32 × 91,926.14
  4. Step 4: Simplify right side
    163,542.20x = 20,746,104,543.84
  5. Step 5: Solve for x
    x = 20,746,104,543.84/163,542.20
  6. Step 6: Final answer
    x = 126,854.75

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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.