Home / 134,145.20-201,217.80-132,176.90

Finding the Fourth Proportional to 134,145.20, 201,217.80 and 132,176.90

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Solution

The fourth proportional to 134,145.20, 201,217.80 and 132,176.90 is: 198,265.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,145.20 : 201,217.80 = 132,176.90 : x
  2. Step 2: Convert to fraction form
    134,145.20/201,217.80 = 132,176.90/x
  3. Step 3: Cross multiply
    134,145.20x = 201,217.80 × 132,176.90
  4. Step 4: Simplify right side
    134,145.20x = 26,596,345,028.82
  5. Step 5: Solve for x
    x = 26,596,345,028.82/134,145.20
  6. Step 6: Final answer
    x = 198,265.35

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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.