Home / 154,131.84-231,197.92-100,868.80

Finding the Fourth Proportional to 154,131.84, 231,197.92 and 100,868.80

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Solution

The fourth proportional to 154,131.84, 231,197.92 and 100,868.80 is: 151,303.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,131.84 : 231,197.92 = 100,868.80 : x
  2. Step 2: Convert to fraction form
    154,131.84/231,197.92 = 100,868.80/x
  3. Step 3: Cross multiply
    154,131.84x = 231,197.92 × 100,868.80
  4. Step 4: Simplify right side
    154,131.84x = 23,320,656,752.90
  5. Step 5: Solve for x
    x = 23,320,656,752.90/154,131.84
  6. Step 6: Final answer
    x = 151,303.30

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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.