Home / 141,512.04-195,176.06-87,766.92

Finding the Fourth Proportional to 141,512.04, 195,176.06 and 87,766.92

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Solution

The fourth proportional to 141,512.04, 195,176.06 and 87,766.92 is: 121,049.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,512.04 : 195,176.06 = 87,766.92 : x
  2. Step 2: Convert to fraction form
    141,512.04/195,176.06 = 87,766.92/x
  3. Step 3: Cross multiply
    141,512.04x = 195,176.06 × 87,766.92
  4. Step 4: Simplify right side
    141,512.04x = 17,130,001,643.94
  5. Step 5: Solve for x
    x = 17,130,001,643.94/141,512.04
  6. Step 6: Final answer
    x = 121,049.78

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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.