Home / 134,534.82-185,616.14-76,382.04

Finding the Fourth Proportional to 134,534.82, 185,616.14 and 76,382.04

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Solution

The fourth proportional to 134,534.82, 185,616.14 and 76,382.04 is: 105,383.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,534.82 : 185,616.14 = 76,382.04 : x
  2. Step 2: Convert to fraction form
    134,534.82/185,616.14 = 76,382.04/x
  3. Step 3: Cross multiply
    134,534.82x = 185,616.14 × 76,382.04
  4. Step 4: Simplify right side
    134,534.82x = 14,177,739,048.22
  5. Step 5: Solve for x
    x = 14,177,739,048.22/134,534.82
  6. Step 6: Final answer
    x = 105,383.42

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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.