Home / 169,629.30-254,443.95-106,643.70

Finding the Fourth Proportional to 169,629.30, 254,443.95 and 106,643.70

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Solution

The fourth proportional to 169,629.30, 254,443.95 and 106,643.70 is: 159,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,629.30 : 254,443.95 = 106,643.70 : x
  2. Step 2: Convert to fraction form
    169,629.30/254,443.95 = 106,643.70/x
  3. Step 3: Cross multiply
    169,629.30x = 254,443.95 × 106,643.70
  4. Step 4: Simplify right side
    169,629.30x = 27,134,844,270.62
  5. Step 5: Solve for x
    x = 27,134,844,270.62/169,629.30
  6. Step 6: Final answer
    x = 159,965.55

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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.