Home / 147,682.13-221,476.70-47,819.25

Finding the Fourth Proportional to 147,682.13, 221,476.70 and 47,819.25

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Solution

The fourth proportional to 147,682.13, 221,476.70 and 47,819.25 is: 71,713.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,682.13 : 221,476.70 = 47,819.25 : x
  2. Step 2: Convert to fraction form
    147,682.13/221,476.70 = 47,819.25/x
  3. Step 3: Cross multiply
    147,682.13x = 221,476.70 × 47,819.25
  4. Step 4: Simplify right side
    147,682.13x = 10,590,849,447.38
  5. Step 5: Solve for x
    x = 10,590,849,447.38/147,682.13
  6. Step 6: Final answer
    x = 71,713.82

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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.