Home / 141,596.18-195,380.34-81,155.18

Finding the Fourth Proportional to 141,596.18, 195,380.34 and 81,155.18

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Solution

The fourth proportional to 141,596.18, 195,380.34 and 81,155.18 is: 111,981.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,596.18 : 195,380.34 = 81,155.18 : x
  2. Step 2: Convert to fraction form
    141,596.18/195,380.34 = 81,155.18/x
  3. Step 3: Cross multiply
    141,596.18x = 195,380.34 × 81,155.18
  4. Step 4: Simplify right side
    141,596.18x = 15,856,126,661.16
  5. Step 5: Solve for x
    x = 15,856,126,661.16/141,596.18
  6. Step 6: Final answer
    x = 111,981.32

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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.