Home / 211,231.83-316,847.46-71,088.87

Finding the Fourth Proportional to 211,231.83, 316,847.46 and 71,088.87

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Solution

The fourth proportional to 211,231.83, 316,847.46 and 71,088.87 is: 106,633.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,231.83 : 316,847.46 = 71,088.87 : x
  2. Step 2: Convert to fraction form
    211,231.83/316,847.46 = 71,088.87/x
  3. Step 3: Cross multiply
    211,231.83x = 316,847.46 × 71,088.87
  4. Step 4: Simplify right side
    211,231.83x = 22,524,327,893.77
  5. Step 5: Solve for x
    x = 22,524,327,893.77/211,231.83
  6. Step 6: Final answer
    x = 106,633.21

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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.