Home / 126,449.90-189,511.35-94,610.15

Finding the Fourth Proportional to 126,449.90, 189,511.35 and 94,610.15

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Solution

The fourth proportional to 126,449.90, 189,511.35 and 94,610.15 is: 141,792.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,449.90 : 189,511.35 = 94,610.15 : x
  2. Step 2: Convert to fraction form
    126,449.90/189,511.35 = 94,610.15/x
  3. Step 3: Cross multiply
    126,449.90x = 189,511.35 × 94,610.15
  4. Step 4: Simplify right side
    126,449.90x = 17,929,697,724.53
  5. Step 5: Solve for x
    x = 17,929,697,724.53/126,449.90
  6. Step 6: Final answer
    x = 141,792.89

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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.