Home / 106,470.20-159,602.90-82,764.60

Finding the Fourth Proportional to 106,470.20, 159,602.90 and 82,764.60

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Solution

The fourth proportional to 106,470.20, 159,602.90 and 82,764.60 is: 124,067.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,470.20 : 159,602.90 = 82,764.60 : x
  2. Step 2: Convert to fraction form
    106,470.20/159,602.90 = 82,764.60/x
  3. Step 3: Cross multiply
    106,470.20x = 159,602.90 × 82,764.60
  4. Step 4: Simplify right side
    106,470.20x = 13,209,470,177.34
  5. Step 5: Solve for x
    x = 13,209,470,177.34/106,470.20
  6. Step 6: Final answer
    x = 124,067.30

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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.