Home / 115,532.03-173,147.07-83,618.56

Finding the Fourth Proportional to 115,532.03, 173,147.07 and 83,618.56

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Solution

The fourth proportional to 115,532.03, 173,147.07 and 83,618.56 is: 125,318.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,532.03 : 173,147.07 = 83,618.56 : x
  2. Step 2: Convert to fraction form
    115,532.03/173,147.07 = 83,618.56/x
  3. Step 3: Cross multiply
    115,532.03x = 173,147.07 × 83,618.56
  4. Step 4: Simplify right side
    115,532.03x = 14,478,307,747.32
  5. Step 5: Solve for x
    x = 14,478,307,747.32/115,532.03
  6. Step 6: Final answer
    x = 125,318.56

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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.