Home / 147,571.70-221,332.78-40,966.49

Finding the Fourth Proportional to 147,571.70, 221,332.78 and 40,966.49

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Solution

The fourth proportional to 147,571.70, 221,332.78 and 40,966.49 is: 61,442.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,571.70 : 221,332.78 = 40,966.49 : x
  2. Step 2: Convert to fraction form
    147,571.70/221,332.78 = 40,966.49/x
  3. Step 3: Cross multiply
    147,571.70x = 221,332.78 × 40,966.49
  4. Step 4: Simplify right side
    147,571.70x = 9,067,227,118.54
  5. Step 5: Solve for x
    x = 9,067,227,118.54/147,571.70
  6. Step 6: Final answer
    x = 61,442.86

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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.