Home / 141,720.10-195,566.35-88,003.96

Finding the Fourth Proportional to 141,720.10, 195,566.35 and 88,003.96

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Solution

The fourth proportional to 141,720.10, 195,566.35 and 88,003.96 is: 121,440.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,720.10 : 195,566.35 = 88,003.96 : x
  2. Step 2: Convert to fraction form
    141,720.10/195,566.35 = 88,003.96/x
  3. Step 3: Cross multiply
    141,720.10x = 195,566.35 × 88,003.96
  4. Step 4: Simplify right side
    141,720.10x = 17,210,613,242.75
  5. Step 5: Solve for x
    x = 17,210,613,242.75/141,720.10
  6. Step 6: Final answer
    x = 121,440.88

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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.