Home / 154,423.20-231,634.80-148,518.30

Finding the Fourth Proportional to 154,423.20, 231,634.80 and 148,518.30

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Solution

The fourth proportional to 154,423.20, 231,634.80 and 148,518.30 is: 222,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,423.20 : 231,634.80 = 148,518.30 : x
  2. Step 2: Convert to fraction form
    154,423.20/231,634.80 = 148,518.30/x
  3. Step 3: Cross multiply
    154,423.20x = 231,634.80 × 148,518.30
  4. Step 4: Simplify right side
    154,423.20x = 34,402,006,716.84
  5. Step 5: Solve for x
    x = 34,402,006,716.84/154,423.20
  6. Step 6: Final answer
    x = 222,777.45

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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.