Home / 110,318.40-165,040.20-95,689.80

Finding the Fourth Proportional to 110,318.40, 165,040.20 and 95,689.80

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Solution

The fourth proportional to 110,318.40, 165,040.20 and 95,689.80 is: 143,155.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,318.40 : 165,040.20 = 95,689.80 : x
  2. Step 2: Convert to fraction form
    110,318.40/165,040.20 = 95,689.80/x
  3. Step 3: Cross multiply
    110,318.40x = 165,040.20 × 95,689.80
  4. Step 4: Simplify right side
    110,318.40x = 15,792,663,729.96
  5. Step 5: Solve for x
    x = 15,792,663,729.96/110,318.40
  6. Step 6: Final answer
    x = 143,155.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.