Home / 198,240.74-273,576.30-112,199.72

Finding the Fourth Proportional to 198,240.74, 273,576.30 and 112,199.72

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Solution

The fourth proportional to 198,240.74, 273,576.30 and 112,199.72 is: 154,837.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,240.74 : 273,576.30 = 112,199.72 : x
  2. Step 2: Convert to fraction form
    198,240.74/273,576.30 = 112,199.72/x
  3. Step 3: Cross multiply
    198,240.74x = 273,576.30 × 112,199.72
  4. Step 4: Simplify right side
    198,240.74x = 30,695,182,627.79
  5. Step 5: Solve for x
    x = 30,695,182,627.79/198,240.74
  6. Step 6: Final answer
    x = 154,837.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.