Home / 124,581.70-186,872.55-121,301.20

Finding the Fourth Proportional to 124,581.70, 186,872.55 and 121,301.20

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Solution

The fourth proportional to 124,581.70, 186,872.55 and 121,301.20 is: 181,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,581.70 : 186,872.55 = 121,301.20 : x
  2. Step 2: Convert to fraction form
    124,581.70/186,872.55 = 121,301.20/x
  3. Step 3: Cross multiply
    124,581.70x = 186,872.55 × 121,301.20
  4. Step 4: Simplify right side
    124,581.70x = 22,667,864,562.06
  5. Step 5: Solve for x
    x = 22,667,864,562.06/124,581.70
  6. Step 6: Final answer
    x = 181,951.80

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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.