Home / 197,799.57-272,957.04-111,761.78

Finding the Fourth Proportional to 197,799.57, 272,957.04 and 111,761.78

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Solution

The fourth proportional to 197,799.57, 272,957.04 and 111,761.78 is: 154,227.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,799.57 : 272,957.04 = 111,761.78 : x
  2. Step 2: Convert to fraction form
    197,799.57/272,957.04 = 111,761.78/x
  3. Step 3: Cross multiply
    197,799.57x = 272,957.04 × 111,761.78
  4. Step 4: Simplify right side
    197,799.57x = 30,506,163,289.15
  5. Step 5: Solve for x
    x = 30,506,163,289.15/197,799.57
  6. Step 6: Final answer
    x = 154,227.65

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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.