Home / 211,184.15-316,772.83-51,261.40

Finding the Fourth Proportional to 211,184.15, 316,772.83 and 51,261.40

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Solution

The fourth proportional to 211,184.15, 316,772.83 and 51,261.40 is: 76,891.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,184.15 : 316,772.83 = 51,261.40 : x
  2. Step 2: Convert to fraction form
    211,184.15/316,772.83 = 51,261.40/x
  3. Step 3: Cross multiply
    211,184.15x = 316,772.83 × 51,261.40
  4. Step 4: Simplify right side
    211,184.15x = 16,238,217,163.90
  5. Step 5: Solve for x
    x = 16,238,217,163.90/211,184.15
  6. Step 6: Final answer
    x = 76,891.27

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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.