Home / 140,205.92-193,476.84-76,531.41

Finding the Fourth Proportional to 140,205.92, 193,476.84 and 76,531.41

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Solution

The fourth proportional to 140,205.92, 193,476.84 and 76,531.41 is: 105,609.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,205.92 : 193,476.84 = 76,531.41 : x
  2. Step 2: Convert to fraction form
    140,205.92/193,476.84 = 76,531.41/x
  3. Step 3: Cross multiply
    140,205.92x = 193,476.84 × 76,531.41
  4. Step 4: Simplify right side
    140,205.92x = 14,807,055,367.54
  5. Step 5: Solve for x
    x = 14,807,055,367.54/140,205.92
  6. Step 6: Final answer
    x = 105,609.35

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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.