Home / 146,893.56-220,345.58-47,040.78

Finding the Fourth Proportional to 146,893.56, 220,345.58 and 47,040.78

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Solution

The fourth proportional to 146,893.56, 220,345.58 and 47,040.78 is: 70,562.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,893.56 : 220,345.58 = 47,040.78 : x
  2. Step 2: Convert to fraction form
    146,893.56/220,345.58 = 47,040.78/x
  3. Step 3: Cross multiply
    146,893.56x = 220,345.58 × 47,040.78
  4. Step 4: Simplify right side
    146,893.56x = 10,365,227,717.55
  5. Step 5: Solve for x
    x = 10,365,227,717.55/146,893.56
  6. Step 6: Final answer
    x = 70,562.85

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1.5x scale

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.