Home / 147,721.22-221,628.45-112,351.96

Finding the Fourth Proportional to 147,721.22, 221,628.45 and 112,351.96

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Solution

The fourth proportional to 147,721.22, 221,628.45 and 112,351.96 is: 168,563.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,721.22 : 221,628.45 = 112,351.96 : x
  2. Step 2: Convert to fraction form
    147,721.22/221,628.45 = 112,351.96/x
  3. Step 3: Cross multiply
    147,721.22x = 221,628.45 × 112,351.96
  4. Step 4: Simplify right side
    147,721.22x = 24,900,391,447.62
  5. Step 5: Solve for x
    x = 24,900,391,447.62/147,721.22
  6. Step 6: Final answer
    x = 168,563.40

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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.