Home / 147,627.35-221,476.19-47,787.56

Finding the Fourth Proportional to 147,627.35, 221,476.19 and 47,787.56

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Solution

The fourth proportional to 147,627.35, 221,476.19 and 47,787.56 is: 71,692.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,627.35 : 221,476.19 = 47,787.56 : x
  2. Step 2: Convert to fraction form
    147,627.35/221,476.19 = 47,787.56/x
  3. Step 3: Cross multiply
    147,627.35x = 221,476.19 × 47,787.56
  4. Step 4: Simplify right side
    147,627.35x = 10,583,806,718.20
  5. Step 5: Solve for x
    x = 10,583,806,718.20/147,627.35
  6. Step 6: Final answer
    x = 71,692.72

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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.