Home / 115,924.35-173,880.82-67,920.18

Finding the Fourth Proportional to 115,924.35, 173,880.82 and 67,920.18

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Solution

The fourth proportional to 115,924.35, 173,880.82 and 67,920.18 is: 101,876.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,924.35 : 173,880.82 = 67,920.18 : x
  2. Step 2: Convert to fraction form
    115,924.35/173,880.82 = 67,920.18/x
  3. Step 3: Cross multiply
    115,924.35x = 173,880.82 × 67,920.18
  4. Step 4: Simplify right side
    115,924.35x = 11,810,016,592.95
  5. Step 5: Solve for x
    x = 11,810,016,592.95/115,924.35
  6. Step 6: Final answer
    x = 101,876.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.