Home / 147,225.88-203,177.82-83,569.60

Finding the Fourth Proportional to 147,225.88, 203,177.82 and 83,569.60

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Solution

The fourth proportional to 147,225.88, 203,177.82 and 83,569.60 is: 115,329.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,225.88 : 203,177.82 = 83,569.60 : x
  2. Step 2: Convert to fraction form
    147,225.88/203,177.82 = 83,569.60/x
  3. Step 3: Cross multiply
    147,225.88x = 203,177.82 × 83,569.60
  4. Step 4: Simplify right side
    147,225.88x = 16,979,489,146.27
  5. Step 5: Solve for x
    x = 16,979,489,146.27/147,225.88
  6. Step 6: Final answer
    x = 115,329.51

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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.