Home / 108,217.68-149,382.08-96,867.15

Finding the Fourth Proportional to 108,217.68, 149,382.08 and 96,867.15

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Solution

The fourth proportional to 108,217.68, 149,382.08 and 96,867.15 is: 133,713.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,217.68 : 149,382.08 = 96,867.15 : x
  2. Step 2: Convert to fraction form
    108,217.68/149,382.08 = 96,867.15/x
  3. Step 3: Cross multiply
    108,217.68x = 149,382.08 × 96,867.15
  4. Step 4: Simplify right side
    108,217.68x = 14,470,216,350.67
  5. Step 5: Solve for x
    x = 14,470,216,350.67/108,217.68
  6. Step 6: Final answer
    x = 133,713.98

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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.