Home / 195,310.10-292,988.59-68,924.25

Finding the Fourth Proportional to 195,310.10, 292,988.59 and 68,924.25

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Solution

The fourth proportional to 195,310.10, 292,988.59 and 68,924.25 is: 103,394.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,310.10 : 292,988.59 = 68,924.25 : x
  2. Step 2: Convert to fraction form
    195,310.10/292,988.59 = 68,924.25/x
  3. Step 3: Cross multiply
    195,310.10x = 292,988.59 × 68,924.25
  4. Step 4: Simplify right side
    195,310.10x = 20,194,019,039.70
  5. Step 5: Solve for x
    x = 20,194,019,039.70/195,310.10
  6. Step 6: Final answer
    x = 103,394.65

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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.