Home / 141,707.35-195,541.67-87,250.87

Finding the Fourth Proportional to 141,707.35, 195,541.67 and 87,250.87

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Solution

The fourth proportional to 141,707.35, 195,541.67 and 87,250.87 is: 120,397.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,707.35 : 195,541.67 = 87,250.87 : x
  2. Step 2: Convert to fraction form
    141,707.35/195,541.67 = 87,250.87/x
  3. Step 3: Cross multiply
    141,707.35x = 195,541.67 × 87,250.87
  4. Step 4: Simplify right side
    141,707.35x = 17,061,179,414.79
  5. Step 5: Solve for x
    x = 17,061,179,414.79/141,707.35
  6. Step 6: Final answer
    x = 120,397.28

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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.