Home / 107,844.60-161,766.90-98,513.40

Finding the Fourth Proportional to 107,844.60, 161,766.90 and 98,513.40

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Solution

The fourth proportional to 107,844.60, 161,766.90 and 98,513.40 is: 147,770.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,844.60 : 161,766.90 = 98,513.40 : x
  2. Step 2: Convert to fraction form
    107,844.60/161,766.90 = 98,513.40/x
  3. Step 3: Cross multiply
    107,844.60x = 161,766.90 × 98,513.40
  4. Step 4: Simplify right side
    107,844.60x = 15,936,207,326.46
  5. Step 5: Solve for x
    x = 15,936,207,326.46/107,844.60
  6. Step 6: Final answer
    x = 147,770.10

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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.