Home / 198,255.68-273,585.76-112,212.82

Finding the Fourth Proportional to 198,255.68, 273,585.76 and 112,212.82

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Solution

The fourth proportional to 198,255.68, 273,585.76 and 112,212.82 is: 154,849.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,255.68 : 273,585.76 = 112,212.82 : x
  2. Step 2: Convert to fraction form
    198,255.68/273,585.76 = 112,212.82/x
  3. Step 3: Cross multiply
    198,255.68x = 273,585.76 × 112,212.82
  4. Step 4: Simplify right side
    198,255.68x = 30,699,828,957.48
  5. Step 5: Solve for x
    x = 30,699,828,957.48/198,255.68
  6. Step 6: Final answer
    x = 154,849.68

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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.