Home / 140,828.12-211,231.92-52,040.24

Finding the Fourth Proportional to 140,828.12, 211,231.92 and 52,040.24

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Solution

The fourth proportional to 140,828.12, 211,231.92 and 52,040.24 is: 78,056.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,828.12 : 211,231.92 = 52,040.24 : x
  2. Step 2: Convert to fraction form
    140,828.12/211,231.92 = 52,040.24/x
  3. Step 3: Cross multiply
    140,828.12x = 211,231.92 × 52,040.24
  4. Step 4: Simplify right side
    140,828.12x = 10,992,559,812.46
  5. Step 5: Solve for x
    x = 10,992,559,812.46/140,828.12
  6. Step 6: Final answer
    x = 78,056.57

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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.