Home / 140,731.24-211,097.94-40,898.20

Finding the Fourth Proportional to 140,731.24, 211,097.94 and 40,898.20

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Solution

The fourth proportional to 140,731.24, 211,097.94 and 40,898.20 is: 61,347.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,731.24 : 211,097.94 = 40,898.20 : x
  2. Step 2: Convert to fraction form
    140,731.24/211,097.94 = 40,898.20/x
  3. Step 3: Cross multiply
    140,731.24x = 211,097.94 × 40,898.20
  4. Step 4: Simplify right side
    140,731.24x = 8,633,525,769.71
  5. Step 5: Solve for x
    x = 8,633,525,769.71/140,731.24
  6. Step 6: Final answer
    x = 61,347.61

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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.