Home / 140,967.24-194,540.40-77,307.32

Finding the Fourth Proportional to 140,967.24, 194,540.40 and 77,307.32

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Solution

The fourth proportional to 140,967.24, 194,540.40 and 77,307.32 is: 106,687.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,967.24 : 194,540.40 = 77,307.32 : x
  2. Step 2: Convert to fraction form
    140,967.24/194,540.40 = 77,307.32/x
  3. Step 3: Cross multiply
    140,967.24x = 194,540.40 × 77,307.32
  4. Step 4: Simplify right side
    140,967.24x = 15,039,396,955.73
  5. Step 5: Solve for x
    x = 15,039,396,955.73/140,967.24
  6. Step 6: Final answer
    x = 106,687.18

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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.