Home / 188,819.28-260,568.63-103,934.52

Finding the Fourth Proportional to 188,819.28, 260,568.63 and 103,934.52

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Solution

The fourth proportional to 188,819.28, 260,568.63 and 103,934.52 is: 143,428.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,819.28 : 260,568.63 = 103,934.52 : x
  2. Step 2: Convert to fraction form
    188,819.28/260,568.63 = 103,934.52/x
  3. Step 3: Cross multiply
    188,819.28x = 260,568.63 × 103,934.52
  4. Step 4: Simplify right side
    188,819.28x = 27,082,075,486.11
  5. Step 5: Solve for x
    x = 27,082,075,486.11/188,819.28
  6. Step 6: Final answer
    x = 143,428.55

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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.