Home / 110,691.20-166,140.48-58,138.40

Finding the Fourth Proportional to 110,691.20, 166,140.48 and 58,138.40

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Solution

The fourth proportional to 110,691.20, 166,140.48 and 58,138.40 is: 87,262.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,691.20 : 166,140.48 = 58,138.40 : x
  2. Step 2: Convert to fraction form
    110,691.20/166,140.48 = 58,138.40/x
  3. Step 3: Cross multiply
    110,691.20x = 166,140.48 × 58,138.40
  4. Step 4: Simplify right side
    110,691.20x = 9,659,141,682.43
  5. Step 5: Solve for x
    x = 9,659,141,682.43/110,691.20
  6. Step 6: Final answer
    x = 87,262.06

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1.5x scale

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.