Home / 195,111.60-292,492.20-76,863.60

Finding the Fourth Proportional to 195,111.60, 292,492.20 and 76,863.60

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Solution

The fourth proportional to 195,111.60, 292,492.20 and 76,863.60 is: 115,226.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,111.60 : 292,492.20 = 76,863.60 : x
  2. Step 2: Convert to fraction form
    195,111.60/292,492.20 = 76,863.60/x
  3. Step 3: Cross multiply
    195,111.60x = 292,492.20 × 76,863.60
  4. Step 4: Simplify right side
    195,111.60x = 22,482,003,463.92
  5. Step 5: Solve for x
    x = 22,482,003,463.92/195,111.60
  6. Step 6: Final answer
    x = 115,226.38

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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.