Home / 211,161.54-316,773.20-61,382.37

Finding the Fourth Proportional to 211,161.54, 316,773.20 and 61,382.37

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Solution

The fourth proportional to 211,161.54, 316,773.20 and 61,382.37 is: 92,082.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,161.54 : 316,773.20 = 61,382.37 : x
  2. Step 2: Convert to fraction form
    211,161.54/316,773.20 = 61,382.37/x
  3. Step 3: Cross multiply
    211,161.54x = 316,773.20 × 61,382.37
  4. Step 4: Simplify right side
    211,161.54x = 19,444,289,461.57
  5. Step 5: Solve for x
    x = 19,444,289,461.57/211,161.54
  6. Step 6: Final answer
    x = 92,082.53

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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.