Home / 197,509.13-272,560.66-106,863.11

Finding the Fourth Proportional to 197,509.13, 272,560.66 and 106,863.11

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Solution

The fourth proportional to 197,509.13, 272,560.66 and 106,863.11 is: 147,470.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,509.13 : 272,560.66 = 106,863.11 : x
  2. Step 2: Convert to fraction form
    197,509.13/272,560.66 = 106,863.11/x
  3. Step 3: Cross multiply
    197,509.13x = 272,560.66 × 106,863.11
  4. Step 4: Simplify right side
    197,509.13x = 29,126,679,791.25
  5. Step 5: Solve for x
    x = 29,126,679,791.25/197,509.13
  6. Step 6: Final answer
    x = 147,470.04

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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.