Home / 146,974.64-220,476.48-47,109.68

Finding the Fourth Proportional to 146,974.64, 220,476.48 and 47,109.68

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Solution

The fourth proportional to 146,974.64, 220,476.48 and 47,109.68 is: 70,669.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,974.64 : 220,476.48 = 47,109.68 : x
  2. Step 2: Convert to fraction form
    146,974.64/220,476.48 = 47,109.68/x
  3. Step 3: Cross multiply
    146,974.64x = 220,476.48 × 47,109.68
  4. Step 4: Simplify right side
    146,974.64x = 10,386,576,420.33
  5. Step 5: Solve for x
    x = 10,386,576,420.33/146,974.64
  6. Step 6: Final answer
    x = 70,669.17

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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.