Home / 198,317.71-297,223.84-92,904.31

Finding the Fourth Proportional to 198,317.71, 297,223.84 and 92,904.31

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Solution

The fourth proportional to 198,317.71, 297,223.84 and 92,904.31 is: 139,238.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,317.71 : 297,223.84 = 92,904.31 : x
  2. Step 2: Convert to fraction form
    198,317.71/297,223.84 = 92,904.31/x
  3. Step 3: Cross multiply
    198,317.71x = 297,223.84 × 92,904.31
  4. Step 4: Simplify right side
    198,317.71x = 27,613,375,770.75
  5. Step 5: Solve for x
    x = 27,613,375,770.75/198,317.71
  6. Step 6: Final answer
    x = 139,238.07

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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.