Home / 134,728.98-185,923.54-74,305.24

Finding the Fourth Proportional to 134,728.98, 185,923.54 and 74,305.24

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Solution

The fourth proportional to 134,728.98, 185,923.54 and 74,305.24 is: 102,539.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,728.98 : 185,923.54 = 74,305.24 : x
  2. Step 2: Convert to fraction form
    134,728.98/185,923.54 = 74,305.24/x
  3. Step 3: Cross multiply
    134,728.98x = 185,923.54 × 74,305.24
  4. Step 4: Simplify right side
    134,728.98x = 13,815,093,261.35
  5. Step 5: Solve for x
    x = 13,815,093,261.35/134,728.98
  6. Step 6: Final answer
    x = 102,539.88

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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.