Home / 155,351.49-232,526.04-80,368.38

Finding the Fourth Proportional to 155,351.49, 232,526.04 and 80,368.38

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Solution

The fourth proportional to 155,351.49, 232,526.04 and 80,368.38 is: 120,293.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,351.49 : 232,526.04 = 80,368.38 : x
  2. Step 2: Convert to fraction form
    155,351.49/232,526.04 = 80,368.38/x
  3. Step 3: Cross multiply
    155,351.49x = 232,526.04 × 80,368.38
  4. Step 4: Simplify right side
    155,351.49x = 18,687,741,142.62
  5. Step 5: Solve for x
    x = 18,687,741,142.62/155,351.49
  6. Step 6: Final answer
    x = 120,293.29

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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.