Home / 147,961.42-221,974.94-42,772.39

Finding the Fourth Proportional to 147,961.42, 221,974.94 and 42,772.39

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Solution

The fourth proportional to 147,961.42, 221,974.94 and 42,772.39 is: 64,168.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,961.42 : 221,974.94 = 42,772.39 : x
  2. Step 2: Convert to fraction form
    147,961.42/221,974.94 = 42,772.39/x
  3. Step 3: Cross multiply
    147,961.42x = 221,974.94 × 42,772.39
  4. Step 4: Simplify right side
    147,961.42x = 9,494,398,703.91
  5. Step 5: Solve for x
    x = 9,494,398,703.91/147,961.42
  6. Step 6: Final answer
    x = 64,168.07

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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.