Home / 211,330.27-316,996.67-53,559.19

Finding the Fourth Proportional to 211,330.27, 316,996.67 and 53,559.19

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Solution

The fourth proportional to 211,330.27, 316,996.67 and 53,559.19 is: 80,339.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,330.27 : 316,996.67 = 53,559.19 : x
  2. Step 2: Convert to fraction form
    211,330.27/316,996.67 = 53,559.19/x
  3. Step 3: Cross multiply
    211,330.27x = 316,996.67 × 53,559.19
  4. Step 4: Simplify right side
    211,330.27x = 16,978,084,877.90
  5. Step 5: Solve for x
    x = 16,978,084,877.90/211,330.27
  6. Step 6: Final answer
    x = 80,339.11

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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.