Home / 147,391.11-221,133.39-52,619.23

Finding the Fourth Proportional to 147,391.11, 221,133.39 and 52,619.23

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Solution

The fourth proportional to 147,391.11, 221,133.39 and 52,619.23 is: 78,945.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,391.11 : 221,133.39 = 52,619.23 : x
  2. Step 2: Convert to fraction form
    147,391.11/221,133.39 = 52,619.23/x
  3. Step 3: Cross multiply
    147,391.11x = 221,133.39 × 52,619.23
  4. Step 4: Simplify right side
    147,391.11x = 11,635,868,709.09
  5. Step 5: Solve for x
    x = 11,635,868,709.09/147,391.11
  6. Step 6: Final answer
    x = 78,945.53

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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.