Home / 140,594.40-194,017.68-76,930.92

Finding the Fourth Proportional to 140,594.40, 194,017.68 and 76,930.92

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Solution

The fourth proportional to 140,594.40, 194,017.68 and 76,930.92 is: 106,163.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,594.40 : 194,017.68 = 76,930.92 : x
  2. Step 2: Convert to fraction form
    140,594.40/194,017.68 = 76,930.92/x
  3. Step 3: Cross multiply
    140,594.40x = 194,017.68 × 76,930.92
  4. Step 4: Simplify right side
    140,594.40x = 14,925,958,618.67
  5. Step 5: Solve for x
    x = 14,925,958,618.67/140,594.40
  6. Step 6: Final answer
    x = 106,163.25

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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.