Home / 148,091.40-204,301.22-86,806.52

Finding the Fourth Proportional to 148,091.40, 204,301.22 and 86,806.52

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Solution

The fourth proportional to 148,091.40, 204,301.22 and 86,806.52 is: 119,754.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,091.40 : 204,301.22 = 86,806.52 : x
  2. Step 2: Convert to fraction form
    148,091.40/204,301.22 = 86,806.52/x
  3. Step 3: Cross multiply
    148,091.40x = 204,301.22 × 86,806.52
  4. Step 4: Simplify right side
    148,091.40x = 17,734,677,939.95
  5. Step 5: Solve for x
    x = 17,734,677,939.95/148,091.40
  6. Step 6: Final answer
    x = 119,754.95

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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.