Home / 147,393.68-221,137.25-52,621.83

Finding the Fourth Proportional to 147,393.68, 221,137.25 and 52,621.83

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Solution

The fourth proportional to 147,393.68, 221,137.25 and 52,621.83 is: 78,949.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,393.68 : 221,137.25 = 52,621.83 : x
  2. Step 2: Convert to fraction form
    147,393.68/221,137.25 = 52,621.83/x
  3. Step 3: Cross multiply
    147,393.68x = 221,137.25 × 52,621.83
  4. Step 4: Simplify right side
    147,393.68x = 11,636,646,513.06
  5. Step 5: Solve for x
    x = 11,636,646,513.06/147,393.68
  6. Step 6: Final answer
    x = 78,949.43

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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.