Home / 110,146.24-165,293.18-70,731.04

Finding the Fourth Proportional to 110,146.24, 165,293.18 and 70,731.04

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Solution

The fourth proportional to 110,146.24, 165,293.18 and 70,731.04 is: 106,143.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,146.24 : 165,293.18 = 70,731.04 : x
  2. Step 2: Convert to fraction form
    110,146.24/165,293.18 = 70,731.04/x
  3. Step 3: Cross multiply
    110,146.24x = 165,293.18 × 70,731.04
  4. Step 4: Simplify right side
    110,146.24x = 11,691,358,526.31
  5. Step 5: Solve for x
    x = 11,691,358,526.31/110,146.24
  6. Step 6: Final answer
    x = 106,143.96

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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.