Home / 159,862.46-220,626.38-137,276.22

Finding the Fourth Proportional to 159,862.46, 220,626.38 and 137,276.22

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Solution

The fourth proportional to 159,862.46, 220,626.38 and 137,276.22 is: 189,455.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,862.46 : 220,626.38 = 137,276.22 : x
  2. Step 2: Convert to fraction form
    159,862.46/220,626.38 = 137,276.22/x
  3. Step 3: Cross multiply
    159,862.46x = 220,626.38 × 137,276.22
  4. Step 4: Simplify right side
    159,862.46x = 30,286,754,792.30
  5. Step 5: Solve for x
    x = 30,286,754,792.30/159,862.46
  6. Step 6: Final answer
    x = 189,455.08

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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.