Home / 197,290.04-272,286.92-111,266.72

Finding the Fourth Proportional to 197,290.04, 272,286.92 and 111,266.72

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Solution

The fourth proportional to 197,290.04, 272,286.92 and 111,266.72 is: 153,563.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,290.04 : 272,286.92 = 111,266.72 : x
  2. Step 2: Convert to fraction form
    197,290.04/272,286.92 = 111,266.72/x
  3. Step 3: Cross multiply
    197,290.04x = 272,286.92 × 111,266.72
  4. Step 4: Simplify right side
    197,290.04x = 30,296,472,487.30
  5. Step 5: Solve for x
    x = 30,296,472,487.30/197,290.04
  6. Step 6: Final answer
    x = 153,563.11

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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.