Home / 131,816.04-181,868.04-74,452.32

Finding the Fourth Proportional to 131,816.04, 181,868.04 and 74,452.32

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Solution

The fourth proportional to 131,816.04, 181,868.04 and 74,452.32 is: 102,722.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,816.04 : 181,868.04 = 74,452.32 : x
  2. Step 2: Convert to fraction form
    131,816.04/181,868.04 = 74,452.32/x
  3. Step 3: Cross multiply
    131,816.04x = 181,868.04 × 74,452.32
  4. Step 4: Simplify right side
    131,816.04x = 13,540,497,511.85
  5. Step 5: Solve for x
    x = 13,540,497,511.85/131,816.04
  6. Step 6: Final answer
    x = 102,722.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.