Home / 104,966.60-157,449.90-95,781.20

Finding the Fourth Proportional to 104,966.60, 157,449.90 and 95,781.20

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Solution

The fourth proportional to 104,966.60, 157,449.90 and 95,781.20 is: 143,671.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,966.60 : 157,449.90 = 95,781.20 : x
  2. Step 2: Convert to fraction form
    104,966.60/157,449.90 = 95,781.20/x
  3. Step 3: Cross multiply
    104,966.60x = 157,449.90 × 95,781.20
  4. Step 4: Simplify right side
    104,966.60x = 15,080,740,361.88
  5. Step 5: Solve for x
    x = 15,080,740,361.88/104,966.60
  6. Step 6: Final answer
    x = 143,671.80

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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.