Home / 106,537.15-146,976.54-74,726.83

Finding the Fourth Proportional to 106,537.15, 146,976.54 and 74,726.83

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Solution

The fourth proportional to 106,537.15, 146,976.54 and 74,726.83 is: 103,091.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,537.15 : 146,976.54 = 74,726.83 : x
  2. Step 2: Convert to fraction form
    106,537.15/146,976.54 = 74,726.83/x
  3. Step 3: Cross multiply
    106,537.15x = 146,976.54 × 74,726.83
  4. Step 4: Simplify right side
    106,537.15x = 10,983,090,918.57
  5. Step 5: Solve for x
    x = 10,983,090,918.57/106,537.15
  6. Step 6: Final answer
    x = 103,091.65

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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.