Home / 140,664.20-194,116.93-77,006.10

Finding the Fourth Proportional to 140,664.20, 194,116.93 and 77,006.10

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Solution

The fourth proportional to 140,664.20, 194,116.93 and 77,006.10 is: 106,268.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,664.20 : 194,116.93 = 77,006.10 : x
  2. Step 2: Convert to fraction form
    140,664.20/194,116.93 = 77,006.10/x
  3. Step 3: Cross multiply
    140,664.20x = 194,116.93 × 77,006.10
  4. Step 4: Simplify right side
    140,664.20x = 14,948,187,530.76
  5. Step 5: Solve for x
    x = 14,948,187,530.76/140,664.20
  6. Step 6: Final answer
    x = 106,268.60

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Why These Related Problems?

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