Home / 106,317.60-159,476.40-71,296.80

Finding the Fourth Proportional to 106,317.60, 159,476.40 and 71,296.80

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Solution

The fourth proportional to 106,317.60, 159,476.40 and 71,296.80 is: 106,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,317.60 : 159,476.40 = 71,296.80 : x
  2. Step 2: Convert to fraction form
    106,317.60/159,476.40 = 71,296.80/x
  3. Step 3: Cross multiply
    106,317.60x = 159,476.40 × 71,296.80
  4. Step 4: Simplify right side
    106,317.60x = 11,370,156,995.52
  5. Step 5: Solve for x
    x = 11,370,156,995.52/106,317.60
  6. Step 6: Final answer
    x = 106,945.20

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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.