Home / 155,318.14-232,672.73-80,487.37

Finding the Fourth Proportional to 155,318.14, 232,672.73 and 80,487.37

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Solution

The fourth proportional to 155,318.14, 232,672.73 and 80,487.37 is: 120,573.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,318.14 : 232,672.73 = 80,487.37 : x
  2. Step 2: Convert to fraction form
    155,318.14/232,672.73 = 80,487.37/x
  3. Step 3: Cross multiply
    155,318.14x = 232,672.73 × 80,487.37
  4. Step 4: Simplify right side
    155,318.14x = 18,727,216,108.42
  5. Step 5: Solve for x
    x = 18,727,216,108.42/155,318.14
  6. Step 6: Final answer
    x = 120,573.27

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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.