Home / 155,352.49-232,527.54-80,369.38

Finding the Fourth Proportional to 155,352.49, 232,527.54 and 80,369.38

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Solution

The fourth proportional to 155,352.49, 232,527.54 and 80,369.38 is: 120,294.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,352.49 : 232,527.54 = 80,369.38 : x
  2. Step 2: Convert to fraction form
    155,352.49/232,527.54 = 80,369.38/x
  3. Step 3: Cross multiply
    155,352.49x = 232,527.54 × 80,369.38
  4. Step 4: Simplify right side
    155,352.49x = 18,688,094,222.73
  5. Step 5: Solve for x
    x = 18,688,094,222.73/155,352.49
  6. Step 6: Final answer
    x = 120,294.78

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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.