Home / 108,200.18-149,357.90-96,849.65

Finding the Fourth Proportional to 108,200.18, 149,357.90 and 96,849.65

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Solution

The fourth proportional to 108,200.18, 149,357.90 and 96,849.65 is: 133,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,200.18 : 149,357.90 = 96,849.65 : x
  2. Step 2: Convert to fraction form
    108,200.18/149,357.90 = 96,849.65/x
  3. Step 3: Cross multiply
    108,200.18x = 149,357.90 × 96,849.65
  4. Step 4: Simplify right side
    108,200.18x = 14,465,260,262.80
  5. Step 5: Solve for x
    x = 14,465,260,262.80/108,200.18
  6. Step 6: Final answer
    x = 133,689.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.