Home / 203,535.92-280,555.04-160,445.14

Finding the Fourth Proportional to 203,535.92, 280,555.04 and 160,445.14

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Solution

The fourth proportional to 203,535.92, 280,555.04 and 160,445.14 is: 221,158.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,535.92 : 280,555.04 = 160,445.14 : x
  2. Step 2: Convert to fraction form
    203,535.92/280,555.04 = 160,445.14/x
  3. Step 3: Cross multiply
    203,535.92x = 280,555.04 × 160,445.14
  4. Step 4: Simplify right side
    203,535.92x = 45,013,691,868.28
  5. Step 5: Solve for x
    x = 45,013,691,868.28/203,535.92
  6. Step 6: Final answer
    x = 221,158.47

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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.