Home / 146,878.72-220,331.04-53,359.36

Finding the Fourth Proportional to 146,878.72, 220,331.04 and 53,359.36

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Solution

The fourth proportional to 146,878.72, 220,331.04 and 53,359.36 is: 80,043.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,878.72 : 220,331.04 = 53,359.36 : x
  2. Step 2: Convert to fraction form
    146,878.72/220,331.04 = 53,359.36/x
  3. Step 3: Cross multiply
    146,878.72x = 220,331.04 × 53,359.36
  4. Step 4: Simplify right side
    146,878.72x = 11,756,723,282.53
  5. Step 5: Solve for x
    x = 11,756,723,282.53/146,878.72
  6. Step 6: Final answer
    x = 80,043.75

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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.