Home / 88,266.30-132,399.45-81,527.10

Finding the Fourth Proportional to 88,266.30, 132,399.45 and 81,527.10

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Solution

The fourth proportional to 88,266.30, 132,399.45 and 81,527.10 is: 122,290.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,266.30 : 132,399.45 = 81,527.10 : x
  2. Step 2: Convert to fraction form
    88,266.30/132,399.45 = 81,527.10/x
  3. Step 3: Cross multiply
    88,266.30x = 132,399.45 × 81,527.10
  4. Step 4: Simplify right side
    88,266.30x = 10,794,143,200.10
  5. Step 5: Solve for x
    x = 10,794,143,200.10/88,266.30
  6. Step 6: Final answer
    x = 122,290.65

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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.