Home / 197,253.80-272,209.60-106,609.48

Finding the Fourth Proportional to 197,253.80, 272,209.60 and 106,609.48

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Solution

The fourth proportional to 197,253.80, 272,209.60 and 106,609.48 is: 147,120.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,253.80 : 272,209.60 = 106,609.48 : x
  2. Step 2: Convert to fraction form
    197,253.80/272,209.60 = 106,609.48/x
  3. Step 3: Cross multiply
    197,253.80x = 272,209.60 × 106,609.48
  4. Step 4: Simplify right side
    197,253.80x = 29,020,123,907.01
  5. Step 5: Solve for x
    x = 29,020,123,907.01/197,253.80
  6. Step 6: Final answer
    x = 147,120.73

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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.