Home / 141,751.32-195,617.28-78,088.92

Finding the Fourth Proportional to 141,751.32, 195,617.28 and 78,088.92

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Solution

The fourth proportional to 141,751.32, 195,617.28 and 78,088.92 is: 107,762.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,751.32 : 195,617.28 = 78,088.92 : x
  2. Step 2: Convert to fraction form
    141,751.32/195,617.28 = 78,088.92/x
  3. Step 3: Cross multiply
    141,751.32x = 195,617.28 × 78,088.92
  4. Step 4: Simplify right side
    141,751.32x = 15,275,542,128.54
  5. Step 5: Solve for x
    x = 15,275,542,128.54/141,751.32
  6. Step 6: Final answer
    x = 107,762.96

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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.