Home / 147,721.90-221,564.35-41,113.85

Finding the Fourth Proportional to 147,721.90, 221,564.35 and 41,113.85

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Solution

The fourth proportional to 147,721.90, 221,564.35 and 41,113.85 is: 61,665.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,721.90 : 221,564.35 = 41,113.85 : x
  2. Step 2: Convert to fraction form
    147,721.90/221,564.35 = 41,113.85/x
  3. Step 3: Cross multiply
    147,721.90x = 221,564.35 × 41,113.85
  4. Step 4: Simplify right side
    147,721.90x = 9,109,363,902.37
  5. Step 5: Solve for x
    x = 9,109,363,902.37/147,721.90
  6. Step 6: Final answer
    x = 61,665.63

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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.