Home / 120,732.04-166,564.50-88,976.68

Finding the Fourth Proportional to 120,732.04, 166,564.50 and 88,976.68

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Solution

The fourth proportional to 120,732.04, 166,564.50 and 88,976.68 is: 122,754.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,732.04 : 166,564.50 = 88,976.68 : x
  2. Step 2: Convert to fraction form
    120,732.04/166,564.50 = 88,976.68/x
  3. Step 3: Cross multiply
    120,732.04x = 166,564.50 × 88,976.68
  4. Step 4: Simplify right side
    120,732.04x = 14,820,356,215.86
  5. Step 5: Solve for x
    x = 14,820,356,215.86/120,732.04
  6. Step 6: Final answer
    x = 122,754.13

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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.