Home / 146,865.16-220,301.40-52,091.11

Finding the Fourth Proportional to 146,865.16, 220,301.40 and 52,091.11

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Solution

The fourth proportional to 146,865.16, 220,301.40 and 52,091.11 is: 78,137.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,865.16 : 220,301.40 = 52,091.11 : x
  2. Step 2: Convert to fraction form
    146,865.16/220,301.40 = 52,091.11/x
  3. Step 3: Cross multiply
    146,865.16x = 220,301.40 × 52,091.11
  4. Step 4: Simplify right side
    146,865.16x = 11,475,744,460.55
  5. Step 5: Solve for x
    x = 11,475,744,460.55/146,865.16
  6. Step 6: Final answer
    x = 78,137.96

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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.