Home / 211,215.68-316,824.17-53,444.10

Finding the Fourth Proportional to 211,215.68, 316,824.17 and 53,444.10

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Solution

The fourth proportional to 211,215.68, 316,824.17 and 53,444.10 is: 80,166.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,215.68 : 316,824.17 = 53,444.10 : x
  2. Step 2: Convert to fraction form
    211,215.68/316,824.17 = 53,444.10/x
  3. Step 3: Cross multiply
    211,215.68x = 316,824.17 × 53,444.10
  4. Step 4: Simplify right side
    211,215.68x = 16,932,382,623.90
  5. Step 5: Solve for x
    x = 16,932,382,623.90/211,215.68
  6. Step 6: Final answer
    x = 80,166.31

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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.