Home / 143,853.76-198,591.06-111,517.12

Finding the Fourth Proportional to 143,853.76, 198,591.06 and 111,517.12

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Solution

The fourth proportional to 143,853.76, 198,591.06 and 111,517.12 is: 153,950.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,853.76 : 198,591.06 = 111,517.12 : x
  2. Step 2: Convert to fraction form
    143,853.76/198,591.06 = 111,517.12/x
  3. Step 3: Cross multiply
    143,853.76x = 198,591.06 × 111,517.12
  4. Step 4: Simplify right side
    143,853.76x = 22,146,303,068.95
  5. Step 5: Solve for x
    x = 22,146,303,068.95/143,853.76
  6. Step 6: Final answer
    x = 153,950.12

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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.