Home / 115,533.53-173,149.31-83,620.06

Finding the Fourth Proportional to 115,533.53, 173,149.31 and 83,620.06

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Solution

The fourth proportional to 115,533.53, 173,149.31 and 83,620.06 is: 125,320.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,533.53 : 173,149.31 = 83,620.06 : x
  2. Step 2: Convert to fraction form
    115,533.53/173,149.31 = 83,620.06/x
  3. Step 3: Cross multiply
    115,533.53x = 173,149.31 × 83,620.06
  4. Step 4: Simplify right side
    115,533.53x = 14,478,755,691.16
  5. Step 5: Solve for x
    x = 14,478,755,691.16/115,533.53
  6. Step 6: Final answer
    x = 125,320.81

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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.