Home / 131,306.52-181,196.46-77,594.04

Finding the Fourth Proportional to 131,306.52, 181,196.46 and 77,594.04

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Solution

The fourth proportional to 131,306.52, 181,196.46 and 77,594.04 is: 107,075.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,306.52 : 181,196.46 = 77,594.04 : x
  2. Step 2: Convert to fraction form
    131,306.52/181,196.46 = 77,594.04/x
  3. Step 3: Cross multiply
    131,306.52x = 181,196.46 × 77,594.04
  4. Step 4: Simplify right side
    131,306.52x = 14,059,765,365.10
  5. Step 5: Solve for x
    x = 14,059,765,365.10/131,306.52
  6. Step 6: Final answer
    x = 107,075.91

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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.