Home / 211,161.41-316,773.01-61,382.24

Finding the Fourth Proportional to 211,161.41, 316,773.01 and 61,382.24

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Solution

The fourth proportional to 211,161.41, 316,773.01 and 61,382.24 is: 92,082.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,161.41 : 316,773.01 = 61,382.24 : x
  2. Step 2: Convert to fraction form
    211,161.41/316,773.01 = 61,382.24/x
  3. Step 3: Cross multiply
    211,161.41x = 316,773.01 × 61,382.24
  4. Step 4: Simplify right side
    211,161.41x = 19,444,237,959.79
  5. Step 5: Solve for x
    x = 19,444,237,959.79/211,161.41
  6. Step 6: Final answer
    x = 92,082.34

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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.