Home / 209,553.28-289,175.49-118,903.84

Finding the Fourth Proportional to 209,553.28, 289,175.49 and 118,903.84

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Solution

The fourth proportional to 209,553.28, 289,175.49 and 118,903.84 is: 164,082.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,553.28 : 289,175.49 = 118,903.84 : x
  2. Step 2: Convert to fraction form
    209,553.28/289,175.49 = 118,903.84/x
  3. Step 3: Cross multiply
    209,553.28x = 289,175.49 × 118,903.84
  4. Step 4: Simplify right side
    209,553.28x = 34,384,074,749.00
  5. Step 5: Solve for x
    x = 34,384,074,749.00/209,553.28
  6. Step 6: Final answer
    x = 164,082.73

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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.