Home / 127,815.90-191,723.85-96,711.90

Finding the Fourth Proportional to 127,815.90, 191,723.85 and 96,711.90

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Solution

The fourth proportional to 127,815.90, 191,723.85 and 96,711.90 is: 145,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,815.90 : 191,723.85 = 96,711.90 : x
  2. Step 2: Convert to fraction form
    127,815.90/191,723.85 = 96,711.90/x
  3. Step 3: Cross multiply
    127,815.90x = 191,723.85 × 96,711.90
  4. Step 4: Simplify right side
    127,815.90x = 18,541,977,808.82
  5. Step 5: Solve for x
    x = 18,541,977,808.82/127,815.90
  6. Step 6: Final answer
    x = 145,067.85

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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.