Home / 141,724.89-195,587.06-80,475.53

Finding the Fourth Proportional to 141,724.89, 195,587.06 and 80,475.53

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Solution

The fourth proportional to 141,724.89, 195,587.06 and 80,475.53 is: 111,060.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,724.89 : 195,587.06 = 80,475.53 : x
  2. Step 2: Convert to fraction form
    141,724.89/195,587.06 = 80,475.53/x
  3. Step 3: Cross multiply
    141,724.89x = 195,587.06 × 80,475.53
  4. Step 4: Simplify right side
    141,724.89x = 15,739,970,934.33
  5. Step 5: Solve for x
    x = 15,739,970,934.33/141,724.89
  6. Step 6: Final answer
    x = 111,060.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.