Home / 123,475.42-185,211.78-29,981.26

Finding the Fourth Proportional to 123,475.42, 185,211.78 and 29,981.26

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Solution

The fourth proportional to 123,475.42, 185,211.78 and 29,981.26 is: 44,971.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,475.42 : 185,211.78 = 29,981.26 : x
  2. Step 2: Convert to fraction form
    123,475.42/185,211.78 = 29,981.26/x
  3. Step 3: Cross multiply
    123,475.42x = 185,211.78 × 29,981.26
  4. Step 4: Simplify right side
    123,475.42x = 5,552,882,531.24
  5. Step 5: Solve for x
    x = 5,552,882,531.24/123,475.42
  6. Step 6: Final answer
    x = 44,971.56

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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.