Home / 147,784.97-221,708.60-47,937.39

Finding the Fourth Proportional to 147,784.97, 221,708.60 and 47,937.39

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Solution

The fourth proportional to 147,784.97, 221,708.60 and 47,937.39 is: 71,916.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,784.97 : 221,708.60 = 47,937.39 : x
  2. Step 2: Convert to fraction form
    147,784.97/221,708.60 = 47,937.39/x
  3. Step 3: Cross multiply
    147,784.97x = 221,708.60 × 47,937.39
  4. Step 4: Simplify right side
    147,784.97x = 10,628,131,624.55
  5. Step 5: Solve for x
    x = 10,628,131,624.55/147,784.97
  6. Step 6: Final answer
    x = 71,916.19

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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.