Home / 110,981.13-166,832.57-89,034.60

Finding the Fourth Proportional to 110,981.13, 166,832.57 and 89,034.60

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Solution

The fourth proportional to 110,981.13, 166,832.57 and 89,034.60 is: 133,841.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,981.13 : 166,832.57 = 89,034.60 : x
  2. Step 2: Convert to fraction form
    110,981.13/166,832.57 = 89,034.60/x
  3. Step 3: Cross multiply
    110,981.13x = 166,832.57 × 89,034.60
  4. Step 4: Simplify right side
    110,981.13x = 14,853,871,136.92
  5. Step 5: Solve for x
    x = 14,853,871,136.92/110,981.13
  6. Step 6: Final answer
    x = 133,841.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.