Home / 107,965.40-161,948.10-94,843.40

Finding the Fourth Proportional to 107,965.40, 161,948.10 and 94,843.40

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Solution

The fourth proportional to 107,965.40, 161,948.10 and 94,843.40 is: 142,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,965.40 : 161,948.10 = 94,843.40 : x
  2. Step 2: Convert to fraction form
    107,965.40/161,948.10 = 94,843.40/x
  3. Step 3: Cross multiply
    107,965.40x = 161,948.10 × 94,843.40
  4. Step 4: Simplify right side
    107,965.40x = 15,359,708,427.54
  5. Step 5: Solve for x
    x = 15,359,708,427.54/107,965.40
  6. Step 6: Final answer
    x = 142,265.10

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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.