Home / 108,082.19-149,155.92-67,797.65

Finding the Fourth Proportional to 108,082.19, 149,155.92 and 67,797.65

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Solution

The fourth proportional to 108,082.19, 149,155.92 and 67,797.65 is: 93,562.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,082.19 : 149,155.92 = 67,797.65 : x
  2. Step 2: Convert to fraction form
    108,082.19/149,155.92 = 67,797.65/x
  3. Step 3: Cross multiply
    108,082.19x = 149,155.92 × 67,797.65
  4. Step 4: Simplify right side
    108,082.19x = 10,112,420,113.81
  5. Step 5: Solve for x
    x = 10,112,420,113.81/108,082.19
  6. Step 6: Final answer
    x = 93,562.32

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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.