Home / 147,384.46-221,119.74-47,542.44

Finding the Fourth Proportional to 147,384.46, 221,119.74 and 47,542.44

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Solution

The fourth proportional to 147,384.46, 221,119.74 and 47,542.44 is: 71,327.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,384.46 : 221,119.74 = 47,542.44 : x
  2. Step 2: Convert to fraction form
    147,384.46/221,119.74 = 47,542.44/x
  3. Step 3: Cross multiply
    147,384.46x = 221,119.74 × 47,542.44
  4. Step 4: Simplify right side
    147,384.46x = 10,512,571,971.77
  5. Step 5: Solve for x
    x = 10,512,571,971.77/147,384.46
  6. Step 6: Final answer
    x = 71,327.55

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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.