Home / 154,219.40-231,329.10-95,121.80

Finding the Fourth Proportional to 154,219.40, 231,329.10 and 95,121.80

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Solution

The fourth proportional to 154,219.40, 231,329.10 and 95,121.80 is: 142,682.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,219.40 : 231,329.10 = 95,121.80 : x
  2. Step 2: Convert to fraction form
    154,219.40/231,329.10 = 95,121.80/x
  3. Step 3: Cross multiply
    154,219.40x = 231,329.10 × 95,121.80
  4. Step 4: Simplify right side
    154,219.40x = 22,004,440,384.38
  5. Step 5: Solve for x
    x = 22,004,440,384.38/154,219.40
  6. Step 6: Final answer
    x = 142,682.70

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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.