Home / 140,779.67-194,275.97-77,119.73

Finding the Fourth Proportional to 140,779.67, 194,275.97 and 77,119.73

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Solution

The fourth proportional to 140,779.67, 194,275.97 and 77,119.73 is: 106,425.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,779.67 : 194,275.97 = 77,119.73 : x
  2. Step 2: Convert to fraction form
    140,779.67/194,275.97 = 77,119.73/x
  3. Step 3: Cross multiply
    140,779.67x = 194,275.97 × 77,119.73
  4. Step 4: Simplify right side
    140,779.67x = 14,982,509,573.31
  5. Step 5: Solve for x
    x = 14,982,509,573.31/140,779.67
  6. Step 6: Final answer
    x = 106,425.24

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1.5x scale

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.