Home / 195,010.20-292,515.30-76,685.40

Finding the Fourth Proportional to 195,010.20, 292,515.30 and 76,685.40

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Solution

The fourth proportional to 195,010.20, 292,515.30 and 76,685.40 is: 115,028.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,010.20 : 292,515.30 = 76,685.40 : x
  2. Step 2: Convert to fraction form
    195,010.20/292,515.30 = 76,685.40/x
  3. Step 3: Cross multiply
    195,010.20x = 292,515.30 × 76,685.40
  4. Step 4: Simplify right side
    195,010.20x = 22,431,652,786.62
  5. Step 5: Solve for x
    x = 22,431,652,786.62/195,010.20
  6. Step 6: Final answer
    x = 115,028.10

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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.