Home / 146,134.80-219,317.44-75,054.56

Finding the Fourth Proportional to 146,134.80, 219,317.44 and 75,054.56

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Solution

The fourth proportional to 146,134.80, 219,317.44 and 75,054.56 is: 112,641.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,134.80 : 219,317.44 = 75,054.56 : x
  2. Step 2: Convert to fraction form
    146,134.80/219,317.44 = 75,054.56/x
  3. Step 3: Cross multiply
    146,134.80x = 219,317.44 × 75,054.56
  4. Step 4: Simplify right side
    146,134.80x = 16,460,773,959.53
  5. Step 5: Solve for x
    x = 16,460,773,959.53/146,134.80
  6. Step 6: Final answer
    x = 112,641.03

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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.