Home / 211,301.12-316,988.57-92,969.37

Finding the Fourth Proportional to 211,301.12, 316,988.57 and 92,969.37

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Solution

The fourth proportional to 211,301.12, 316,988.57 and 92,969.37 is: 139,470.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,301.12 : 316,988.57 = 92,969.37 : x
  2. Step 2: Convert to fraction form
    211,301.12/316,988.57 = 92,969.37/x
  3. Step 3: Cross multiply
    211,301.12x = 316,988.57 × 92,969.37
  4. Step 4: Simplify right side
    211,301.12x = 29,470,227,882.52
  5. Step 5: Solve for x
    x = 29,470,227,882.52/211,301.12
  6. Step 6: Final answer
    x = 139,470.29

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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.