Home / 109,553.46-151,275.96-69,338.18

Finding the Fourth Proportional to 109,553.46, 151,275.96 and 69,338.18

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Solution

The fourth proportional to 109,553.46, 151,275.96 and 69,338.18 is: 95,745.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,553.46 : 151,275.96 = 69,338.18 : x
  2. Step 2: Convert to fraction form
    109,553.46/151,275.96 = 69,338.18/x
  3. Step 3: Cross multiply
    109,553.46x = 151,275.96 × 69,338.18
  4. Step 4: Simplify right side
    109,553.46x = 10,489,199,744.15
  5. Step 5: Solve for x
    x = 10,489,199,744.15/109,553.46
  6. Step 6: Final answer
    x = 95,745.03

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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.