Home / 198,518.91-273,966.59-112,494.57

Finding the Fourth Proportional to 198,518.91, 273,966.59 and 112,494.57

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Solution

The fourth proportional to 198,518.91, 273,966.59 and 112,494.57 is: 155,248.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,518.91 : 273,966.59 = 112,494.57 : x
  2. Step 2: Convert to fraction form
    198,518.91/273,966.59 = 112,494.57/x
  3. Step 3: Cross multiply
    198,518.91x = 273,966.59 × 112,494.57
  4. Step 4: Simplify right side
    198,518.91x = 30,819,754,373.14
  5. Step 5: Solve for x
    x = 30,819,754,373.14/198,518.91
  6. Step 6: Final answer
    x = 155,248.46

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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.