Home / 140,252.10-193,555.16-85,787.20

Finding the Fourth Proportional to 140,252.10, 193,555.16 and 85,787.20

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Solution

The fourth proportional to 140,252.10, 193,555.16 and 85,787.20 is: 118,390.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,252.10 : 193,555.16 = 85,787.20 : x
  2. Step 2: Convert to fraction form
    140,252.10/193,555.16 = 85,787.20/x
  3. Step 3: Cross multiply
    140,252.10x = 193,555.16 × 85,787.20
  4. Step 4: Simplify right side
    140,252.10x = 16,604,555,221.95
  5. Step 5: Solve for x
    x = 16,604,555,221.95/140,252.10
  6. Step 6: Final answer
    x = 118,390.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.