Home / 98,266.20-147,399.30-91,049.10

Finding the Fourth Proportional to 98,266.20, 147,399.30 and 91,049.10

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Solution

The fourth proportional to 98,266.20, 147,399.30 and 91,049.10 is: 136,573.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,266.20 : 147,399.30 = 91,049.10 : x
  2. Step 2: Convert to fraction form
    98,266.20/147,399.30 = 91,049.10/x
  3. Step 3: Cross multiply
    98,266.20x = 147,399.30 × 91,049.10
  4. Step 4: Simplify right side
    98,266.20x = 13,420,573,605.63
  5. Step 5: Solve for x
    x = 13,420,573,605.63/98,266.20
  6. Step 6: Final answer
    x = 136,573.65

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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.