Home / 143,852.76-198,589.68-111,516.12

Finding the Fourth Proportional to 143,852.76, 198,589.68 and 111,516.12

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Solution

The fourth proportional to 143,852.76, 198,589.68 and 111,516.12 is: 153,948.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,852.76 : 198,589.68 = 111,516.12 : x
  2. Step 2: Convert to fraction form
    143,852.76/198,589.68 = 111,516.12/x
  3. Step 3: Cross multiply
    143,852.76x = 198,589.68 × 111,516.12
  4. Step 4: Simplify right side
    143,852.76x = 22,145,950,585.64
  5. Step 5: Solve for x
    x = 22,145,950,585.64/143,852.76
  6. Step 6: Final answer
    x = 153,948.74

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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.