Home / 203,475.10-305,212.65-132,616.30

Finding the Fourth Proportional to 203,475.10, 305,212.65 and 132,616.30

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Solution

The fourth proportional to 203,475.10, 305,212.65 and 132,616.30 is: 198,924.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,475.10 : 305,212.65 = 132,616.30 : x
  2. Step 2: Convert to fraction form
    203,475.10/305,212.65 = 132,616.30/x
  3. Step 3: Cross multiply
    203,475.10x = 305,212.65 × 132,616.30
  4. Step 4: Simplify right side
    203,475.10x = 40,476,172,356.20
  5. Step 5: Solve for x
    x = 40,476,172,356.20/203,475.10
  6. Step 6: Final answer
    x = 198,924.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.