Home / 124,189.70-186,180.06-54,016.16

Finding the Fourth Proportional to 124,189.70, 186,180.06 and 54,016.16

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Solution

The fourth proportional to 124,189.70, 186,180.06 and 54,016.16 is: 80,978.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,189.70 : 186,180.06 = 54,016.16 : x
  2. Step 2: Convert to fraction form
    124,189.70/186,180.06 = 54,016.16/x
  3. Step 3: Cross multiply
    124,189.70x = 186,180.06 × 54,016.16
  4. Step 4: Simplify right side
    124,189.70x = 10,056,731,909.77
  5. Step 5: Solve for x
    x = 10,056,731,909.77/124,189.70
  6. Step 6: Final answer
    x = 80,978.79

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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.