Home / 156,781.80-235,172.70-110,242.44

Finding the Fourth Proportional to 156,781.80, 235,172.70 and 110,242.44

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Solution

The fourth proportional to 156,781.80, 235,172.70 and 110,242.44 is: 165,363.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,781.80 : 235,172.70 = 110,242.44 : x
  2. Step 2: Convert to fraction form
    156,781.80/235,172.70 = 110,242.44/x
  3. Step 3: Cross multiply
    156,781.80x = 235,172.70 × 110,242.44
  4. Step 4: Simplify right side
    156,781.80x = 25,926,012,269.39
  5. Step 5: Solve for x
    x = 25,926,012,269.39/156,781.80
  6. Step 6: Final answer
    x = 165,363.66

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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.