Home / 163,456.38-225,545.40-91,822.77

Finding the Fourth Proportional to 163,456.38, 225,545.40 and 91,822.77

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Solution

The fourth proportional to 163,456.38, 225,545.40 and 91,822.77 is: 126,701.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,456.38 : 225,545.40 = 91,822.77 : x
  2. Step 2: Convert to fraction form
    163,456.38/225,545.40 = 91,822.77/x
  3. Step 3: Cross multiply
    163,456.38x = 225,545.40 × 91,822.77
  4. Step 4: Simplify right side
    163,456.38x = 20,710,203,388.76
  5. Step 5: Solve for x
    x = 20,710,203,388.76/163,456.38
  6. Step 6: Final answer
    x = 126,701.71

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1.5x scale

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.