Home / 356,828.80-534,789.60-146,228.80

Finding the Fourth Proportional to 356,828.80, 534,789.60 and 146,228.80

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Solution

The fourth proportional to 356,828.80, 534,789.60 and 146,228.80 is: 219,157.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,828.80 : 534,789.60 = 146,228.80 : x
  2. Step 2: Convert to fraction form
    356,828.80/534,789.60 = 146,228.80/x
  3. Step 3: Cross multiply
    356,828.80x = 534,789.60 × 146,228.80
  4. Step 4: Simplify right side
    356,828.80x = 78,201,641,460.48
  5. Step 5: Solve for x
    x = 78,201,641,460.48/356,828.80
  6. Step 6: Final answer
    x = 219,157.31

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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.