Home / 147,718.91-221,556.49-47,887.83

Finding the Fourth Proportional to 147,718.91, 221,556.49 and 47,887.83

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Solution

The fourth proportional to 147,718.91, 221,556.49 and 47,887.83 is: 71,824.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,718.91 : 221,556.49 = 47,887.83 : x
  2. Step 2: Convert to fraction form
    147,718.91/221,556.49 = 47,887.83/x
  3. Step 3: Cross multiply
    147,718.91x = 221,556.49 × 47,887.83
  4. Step 4: Simplify right side
    147,718.91x = 10,609,859,408.80
  5. Step 5: Solve for x
    x = 10,609,859,408.80/147,718.91
  6. Step 6: Final answer
    x = 71,824.65

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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.