Home / 146,780.85-220,258.76-53,293.89

Finding the Fourth Proportional to 146,780.85, 220,258.76 and 53,293.89

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Solution

The fourth proportional to 146,780.85, 220,258.76 and 53,293.89 is: 79,972.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,780.85 : 220,258.76 = 53,293.89 : x
  2. Step 2: Convert to fraction form
    146,780.85/220,258.76 = 53,293.89/x
  3. Step 3: Cross multiply
    146,780.85x = 220,258.76 × 53,293.89
  4. Step 4: Simplify right side
    146,780.85x = 11,738,446,126.98
  5. Step 5: Solve for x
    x = 11,738,446,126.98/146,780.85
  6. Step 6: Final answer
    x = 79,972.60

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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.