Home / 131,145.20-196,426.20-101,466.80

Finding the Fourth Proportional to 131,145.20, 196,426.20 and 101,466.80

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Solution

The fourth proportional to 131,145.20, 196,426.20 and 101,466.80 is: 151,974.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,145.20 : 196,426.20 = 101,466.80 : x
  2. Step 2: Convert to fraction form
    131,145.20/196,426.20 = 101,466.80/x
  3. Step 3: Cross multiply
    131,145.20x = 196,426.20 × 101,466.80
  4. Step 4: Simplify right side
    131,145.20x = 19,930,737,950.16
  5. Step 5: Solve for x
    x = 19,930,737,950.16/131,145.20
  6. Step 6: Final answer
    x = 151,974.59

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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.