Home / 147,991.36-204,223.52-90,652.48

Finding the Fourth Proportional to 147,991.36, 204,223.52 and 90,652.48

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Solution

The fourth proportional to 147,991.36, 204,223.52 and 90,652.48 is: 125,097.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,991.36 : 204,223.52 = 90,652.48 : x
  2. Step 2: Convert to fraction form
    147,991.36/204,223.52 = 90,652.48/x
  3. Step 3: Cross multiply
    147,991.36x = 204,223.52 × 90,652.48
  4. Step 4: Simplify right side
    147,991.36x = 18,513,368,562.33
  5. Step 5: Solve for x
    x = 18,513,368,562.33/147,991.36
  6. Step 6: Final answer
    x = 125,097.63

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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.