Home / 209,865.19-289,613.46-114,371.64

Finding the Fourth Proportional to 209,865.19, 289,613.46 and 114,371.64

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Solution

The fourth proportional to 209,865.19, 289,613.46 and 114,371.64 is: 157,832.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,865.19 : 289,613.46 = 114,371.64 : x
  2. Step 2: Convert to fraction form
    209,865.19/289,613.46 = 114,371.64/x
  3. Step 3: Cross multiply
    209,865.19x = 289,613.46 × 114,371.64
  4. Step 4: Simplify right side
    209,865.19x = 33,123,566,386.27
  5. Step 5: Solve for x
    x = 33,123,566,386.27/209,865.19
  6. Step 6: Final answer
    x = 157,832.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.