Home / 130,961.10-196,539.42-88,741.04

Finding the Fourth Proportional to 130,961.10, 196,539.42 and 88,741.04

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Solution

The fourth proportional to 130,961.10, 196,539.42 and 88,741.04 is: 133,177.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,961.10 : 196,539.42 = 88,741.04 : x
  2. Step 2: Convert to fraction form
    130,961.10/196,539.42 = 88,741.04/x
  3. Step 3: Cross multiply
    130,961.10x = 196,539.42 × 88,741.04
  4. Step 4: Simplify right side
    130,961.10x = 17,441,112,531.80
  5. Step 5: Solve for x
    x = 17,441,112,531.80/130,961.10
  6. Step 6: Final answer
    x = 133,177.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.