Home / 197,374.13-272,375.82-111,332.82

Finding the Fourth Proportional to 197,374.13, 272,375.82 and 111,332.82

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Solution

The fourth proportional to 197,374.13, 272,375.82 and 111,332.82 is: 153,639.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,374.13 : 272,375.82 = 111,332.82 : x
  2. Step 2: Convert to fraction form
    197,374.13/272,375.82 = 111,332.82/x
  3. Step 3: Cross multiply
    197,374.13x = 272,375.82 × 111,332.82
  4. Step 4: Simplify right side
    197,374.13x = 30,324,368,140.41
  5. Step 5: Solve for x
    x = 30,324,368,140.41/197,374.13
  6. Step 6: Final answer
    x = 153,639.03

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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.