Home / 111,601.85-153,967.13-63,192.66

Finding the Fourth Proportional to 111,601.85, 153,967.13 and 63,192.66

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Solution

The fourth proportional to 111,601.85, 153,967.13 and 63,192.66 is: 87,181.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,601.85 : 153,967.13 = 63,192.66 : x
  2. Step 2: Convert to fraction form
    111,601.85/153,967.13 = 63,192.66/x
  3. Step 3: Cross multiply
    111,601.85x = 153,967.13 × 63,192.66
  4. Step 4: Simplify right side
    111,601.85x = 9,729,591,840.90
  5. Step 5: Solve for x
    x = 9,729,591,840.90/111,601.85
  6. Step 6: Final answer
    x = 87,181.28

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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.