Home / 163,277.20-225,347.16-99,651.92

Finding the Fourth Proportional to 163,277.20, 225,347.16 and 99,651.92

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Solution

The fourth proportional to 163,277.20, 225,347.16 and 99,651.92 is: 137,534.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,277.20 : 225,347.16 = 99,651.92 : x
  2. Step 2: Convert to fraction form
    163,277.20/225,347.16 = 99,651.92/x
  3. Step 3: Cross multiply
    163,277.20x = 225,347.16 × 99,651.92
  4. Step 4: Simplify right side
    163,277.20x = 22,456,277,160.55
  5. Step 5: Solve for x
    x = 22,456,277,160.55/163,277.20
  6. Step 6: Final answer
    x = 137,534.68

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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.