Home / 211,198.48-316,767.96-53,417.20

Finding the Fourth Proportional to 211,198.48, 316,767.96 and 53,417.20

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Solution

The fourth proportional to 211,198.48, 316,767.96 and 53,417.20 is: 80,118.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,198.48 : 316,767.96 = 53,417.20 : x
  2. Step 2: Convert to fraction form
    211,198.48/316,767.96 = 53,417.20/x
  3. Step 3: Cross multiply
    211,198.48x = 316,767.96 × 53,417.20
  4. Step 4: Simplify right side
    211,198.48x = 16,920,857,472.91
  5. Step 5: Solve for x
    x = 16,920,857,472.91/211,198.48
  6. Step 6: Final answer
    x = 80,118.27

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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.