Home / 124,195.60-171,297.48-78,834.16

Finding the Fourth Proportional to 124,195.60, 171,297.48 and 78,834.16

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Solution

The fourth proportional to 124,195.60, 171,297.48 and 78,834.16 is: 108,732.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,195.60 : 171,297.48 = 78,834.16 : x
  2. Step 2: Convert to fraction form
    124,195.60/171,297.48 = 78,834.16/x
  3. Step 3: Cross multiply
    124,195.60x = 171,297.48 × 78,834.16
  4. Step 4: Simplify right side
    124,195.60x = 13,504,092,945.92
  5. Step 5: Solve for x
    x = 13,504,092,945.92/124,195.60
  6. Step 6: Final answer
    x = 108,732.46

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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.