Home / 211,317.66-316,896.30-61,508.16

Finding the Fourth Proportional to 211,317.66, 316,896.30 and 61,508.16

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Solution

The fourth proportional to 211,317.66, 316,896.30 and 61,508.16 is: 92,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,317.66 : 316,896.30 = 61,508.16 : x
  2. Step 2: Convert to fraction form
    211,317.66/316,896.30 = 61,508.16/x
  3. Step 3: Cross multiply
    211,317.66x = 316,896.30 × 61,508.16
  4. Step 4: Simplify right side
    211,317.66x = 19,491,708,323.81
  5. Step 5: Solve for x
    x = 19,491,708,323.81/211,317.66
  6. Step 6: Final answer
    x = 92,238.90

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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.