Home / 146,616.48-219,928.80-51,833.28

Finding the Fourth Proportional to 146,616.48, 219,928.80 and 51,833.28

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Solution

The fourth proportional to 146,616.48, 219,928.80 and 51,833.28 is: 77,751.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,616.48 : 219,928.80 = 51,833.28 : x
  2. Step 2: Convert to fraction form
    146,616.48/219,928.80 = 51,833.28/x
  3. Step 3: Cross multiply
    146,616.48x = 219,928.80 × 51,833.28
  4. Step 4: Simplify right side
    146,616.48x = 11,399,631,070.46
  5. Step 5: Solve for x
    x = 11,399,631,070.46/146,616.48
  6. Step 6: Final answer
    x = 77,751.36

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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.