Home / 211,083.44-316,623.17-91,225.13

Finding the Fourth Proportional to 211,083.44, 316,623.17 and 91,225.13

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Solution

The fourth proportional to 211,083.44, 316,623.17 and 91,225.13 is: 136,836.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,083.44 : 316,623.17 = 91,225.13 : x
  2. Step 2: Convert to fraction form
    211,083.44/316,623.17 = 91,225.13/x
  3. Step 3: Cross multiply
    211,083.44x = 316,623.17 × 91,225.13
  4. Step 4: Simplify right side
    211,083.44x = 28,883,988,489.21
  5. Step 5: Solve for x
    x = 28,883,988,489.21/211,083.44
  6. Step 6: Final answer
    x = 136,836.83

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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.