Home / 141,479.19-195,237.45-80,236.62

Finding the Fourth Proportional to 141,479.19, 195,237.45 and 80,236.62

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Solution

The fourth proportional to 141,479.19, 195,237.45 and 80,236.62 is: 110,724.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,479.19 : 195,237.45 = 80,236.62 : x
  2. Step 2: Convert to fraction form
    141,479.19/195,237.45 = 80,236.62/x
  3. Step 3: Cross multiply
    141,479.19x = 195,237.45 × 80,236.62
  4. Step 4: Simplify right side
    141,479.19x = 15,665,193,085.42
  5. Step 5: Solve for x
    x = 15,665,193,085.42/141,479.19
  6. Step 6: Final answer
    x = 110,724.36

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1.5x scale

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.