Home / 211,329.27-316,995.17-53,558.19

Finding the Fourth Proportional to 211,329.27, 316,995.17 and 53,558.19

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Solution

The fourth proportional to 211,329.27, 316,995.17 and 53,558.19 is: 80,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,329.27 : 316,995.17 = 53,558.19 : x
  2. Step 2: Convert to fraction form
    211,329.27/316,995.17 = 53,558.19/x
  3. Step 3: Cross multiply
    211,329.27x = 316,995.17 × 53,558.19
  4. Step 4: Simplify right side
    211,329.27x = 16,977,687,276.15
  5. Step 5: Solve for x
    x = 16,977,687,276.15/211,329.27
  6. Step 6: Final answer
    x = 80,337.60

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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.