Home / 146,746.92-220,167.66-66,813.48

Finding the Fourth Proportional to 146,746.92, 220,167.66 and 66,813.48

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Solution

The fourth proportional to 146,746.92, 220,167.66 and 66,813.48 is: 100,241.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,746.92 : 220,167.66 = 66,813.48 : x
  2. Step 2: Convert to fraction form
    146,746.92/220,167.66 = 66,813.48/x
  3. Step 3: Cross multiply
    146,746.92x = 220,167.66 × 66,813.48
  4. Step 4: Simplify right side
    146,746.92x = 14,710,167,548.06
  5. Step 5: Solve for x
    x = 14,710,167,548.06/146,746.92
  6. Step 6: Final answer
    x = 100,241.75

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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.