Home / 123,233.20-184,631.10-100,925.80

Finding the Fourth Proportional to 123,233.20, 184,631.10 and 100,925.80

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Solution

The fourth proportional to 123,233.20, 184,631.10 and 100,925.80 is: 151,209.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,233.20 : 184,631.10 = 100,925.80 : x
  2. Step 2: Convert to fraction form
    123,233.20/184,631.10 = 100,925.80/x
  3. Step 3: Cross multiply
    123,233.20x = 184,631.10 × 100,925.80
  4. Step 4: Simplify right side
    123,233.20x = 18,634,041,472.38
  5. Step 5: Solve for x
    x = 18,634,041,472.38/123,233.20
  6. Step 6: Final answer
    x = 151,209.59

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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.