Home / 140,596.12-194,022.12-76,065.52

Finding the Fourth Proportional to 140,596.12, 194,022.12 and 76,065.52

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Solution

The fourth proportional to 140,596.12, 194,022.12 and 76,065.52 is: 104,970.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,596.12 : 194,022.12 = 76,065.52 : x
  2. Step 2: Convert to fraction form
    140,596.12/194,022.12 = 76,065.52/x
  3. Step 3: Cross multiply
    140,596.12x = 194,022.12 × 76,065.52
  4. Step 4: Simplify right side
    140,596.12x = 14,758,393,449.30
  5. Step 5: Solve for x
    x = 14,758,393,449.30/140,596.12
  6. Step 6: Final answer
    x = 104,970.13

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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.