Home / 147,645.24-221,503.14-47,805.54

Finding the Fourth Proportional to 147,645.24, 221,503.14 and 47,805.54

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Solution

The fourth proportional to 147,645.24, 221,503.14 and 47,805.54 is: 71,719.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,645.24 : 221,503.14 = 47,805.54 : x
  2. Step 2: Convert to fraction form
    147,645.24/221,503.14 = 47,805.54/x
  3. Step 3: Cross multiply
    147,645.24x = 221,503.14 × 47,805.54
  4. Step 4: Simplify right side
    147,645.24x = 10,589,077,219.40
  5. Step 5: Solve for x
    x = 10,589,077,219.40/147,645.24
  6. Step 6: Final answer
    x = 71,719.73

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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.