Home / 131,334.24-181,196.28-74,731.44

Finding the Fourth Proportional to 131,334.24, 181,196.28 and 74,731.44

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Solution

The fourth proportional to 131,334.24, 181,196.28 and 74,731.44 is: 103,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,334.24 : 181,196.28 = 74,731.44 : x
  2. Step 2: Convert to fraction form
    131,334.24/181,196.28 = 74,731.44/x
  3. Step 3: Cross multiply
    131,334.24x = 181,196.28 × 74,731.44
  4. Step 4: Simplify right side
    131,334.24x = 13,541,058,927.04
  5. Step 5: Solve for x
    x = 13,541,058,927.04/131,334.24
  6. Step 6: Final answer
    x = 103,103.80

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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.