Home / 152,728.42-229,037.73-52,861.54

Finding the Fourth Proportional to 152,728.42, 229,037.73 and 52,861.54

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Solution

The fourth proportional to 152,728.42, 229,037.73 and 52,861.54 is: 79,273.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,728.42 : 229,037.73 = 52,861.54 : x
  2. Step 2: Convert to fraction form
    152,728.42/229,037.73 = 52,861.54/x
  3. Step 3: Cross multiply
    152,728.42x = 229,037.73 × 52,861.54
  4. Step 4: Simplify right side
    152,728.42x = 12,107,287,125.90
  5. Step 5: Solve for x
    x = 12,107,287,125.90/152,728.42
  6. Step 6: Final answer
    x = 79,273.31

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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.