Home / 155,241.57-232,788.65-70,976.73

Finding the Fourth Proportional to 155,241.57, 232,788.65 and 70,976.73

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Solution

The fourth proportional to 155,241.57, 232,788.65 and 70,976.73 is: 106,431.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,241.57 : 232,788.65 = 70,976.73 : x
  2. Step 2: Convert to fraction form
    155,241.57/232,788.65 = 70,976.73/x
  3. Step 3: Cross multiply
    155,241.57x = 232,788.65 × 70,976.73
  4. Step 4: Simplify right side
    155,241.57x = 16,522,576,803.23
  5. Step 5: Solve for x
    x = 16,522,576,803.23/155,241.57
  6. Step 6: Final answer
    x = 106,431.39

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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.