Home / 115,395.51-173,166.17-45,273.27

Finding the Fourth Proportional to 115,395.51, 173,166.17 and 45,273.27

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Solution

The fourth proportional to 115,395.51, 173,166.17 and 45,273.27 is: 67,938.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,395.51 : 173,166.17 = 45,273.27 : x
  2. Step 2: Convert to fraction form
    115,395.51/173,166.17 = 45,273.27/x
  3. Step 3: Cross multiply
    115,395.51x = 173,166.17 × 45,273.27
  4. Step 4: Simplify right side
    115,395.51x = 7,839,798,542.91
  5. Step 5: Solve for x
    x = 7,839,798,542.91/115,395.51
  6. Step 6: Final answer
    x = 67,938.51

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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.