Home / 130,404.24-179,945.73-73,815.62

Finding the Fourth Proportional to 130,404.24, 179,945.73 and 73,815.62

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Solution

The fourth proportional to 130,404.24, 179,945.73 and 73,815.62 is: 101,858.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,404.24 : 179,945.73 = 73,815.62 : x
  2. Step 2: Convert to fraction form
    130,404.24/179,945.73 = 73,815.62/x
  3. Step 3: Cross multiply
    130,404.24x = 179,945.73 × 73,815.62
  4. Step 4: Simplify right side
    130,404.24x = 13,282,804,726.57
  5. Step 5: Solve for x
    x = 13,282,804,726.57/130,404.24
  6. Step 6: Final answer
    x = 101,858.69

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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.