Home / 195,116.40-292,334.40-89,719.20

Finding the Fourth Proportional to 195,116.40, 292,334.40 and 89,719.20

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Solution

The fourth proportional to 195,116.40, 292,334.40 and 89,719.20 is: 134,422.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,116.40 : 292,334.40 = 89,719.20 : x
  2. Step 2: Convert to fraction form
    195,116.40/292,334.40 = 89,719.20/x
  3. Step 3: Cross multiply
    195,116.40x = 292,334.40 × 89,719.20
  4. Step 4: Simplify right side
    195,116.40x = 26,228,008,500.48
  5. Step 5: Solve for x
    x = 26,228,008,500.48/195,116.40
  6. Step 6: Final answer
    x = 134,422.37

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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.