Home / 154,443.40-231,405.90-132,152.20

Finding the Fourth Proportional to 154,443.40, 231,405.90 and 132,152.20

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Solution

The fourth proportional to 154,443.40, 231,405.90 and 132,152.20 is: 198,006.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,443.40 : 231,405.90 = 132,152.20 : x
  2. Step 2: Convert to fraction form
    154,443.40/231,405.90 = 132,152.20/x
  3. Step 3: Cross multiply
    154,443.40x = 231,405.90 × 132,152.20
  4. Step 4: Simplify right side
    154,443.40x = 30,580,798,777.98
  5. Step 5: Solve for x
    x = 30,580,798,777.98/154,443.40
  6. Step 6: Final answer
    x = 198,006.51

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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.