Home / 147,266.29-203,233.22-83,610.01

Finding the Fourth Proportional to 147,266.29, 203,233.22 and 83,610.01

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Solution

The fourth proportional to 147,266.29, 203,233.22 and 83,610.01 is: 115,385.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,266.29 : 203,233.22 = 83,610.01 : x
  2. Step 2: Convert to fraction form
    147,266.29/203,233.22 = 83,610.01/x
  3. Step 3: Cross multiply
    147,266.29x = 203,233.22 × 83,610.01
  4. Step 4: Simplify right side
    147,266.29x = 16,992,331,556.53
  5. Step 5: Solve for x
    x = 16,992,331,556.53/147,266.29
  6. Step 6: Final answer
    x = 115,385.07

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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.