Home / 146,246.82-219,342.48-71,291.58

Finding the Fourth Proportional to 146,246.82, 219,342.48 and 71,291.58

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Solution

The fourth proportional to 146,246.82, 219,342.48 and 71,291.58 is: 106,923.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,246.82 : 219,342.48 = 71,291.58 : x
  2. Step 2: Convert to fraction form
    146,246.82/219,342.48 = 71,291.58/x
  3. Step 3: Cross multiply
    146,246.82x = 219,342.48 × 71,291.58
  4. Step 4: Simplify right side
    146,246.82x = 15,637,271,960.32
  5. Step 5: Solve for x
    x = 15,637,271,960.32/146,246.82
  6. Step 6: Final answer
    x = 106,923.84

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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.