Home / 121,232.70-181,849.01-38,126.70

Finding the Fourth Proportional to 121,232.70, 181,849.01 and 38,126.70

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Solution

The fourth proportional to 121,232.70, 181,849.01 and 38,126.70 is: 57,190.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,232.70 : 181,849.01 = 38,126.70 : x
  2. Step 2: Convert to fraction form
    121,232.70/181,849.01 = 38,126.70/x
  3. Step 3: Cross multiply
    121,232.70x = 181,849.01 × 38,126.70
  4. Step 4: Simplify right side
    121,232.70x = 6,933,302,458.93
  5. Step 5: Solve for x
    x = 6,933,302,458.93/121,232.70
  6. Step 6: Final answer
    x = 57,190.04

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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.