Home / 259,174.87-357,617.95-144,428.36

Finding the Fourth Proportional to 259,174.87, 357,617.95 and 144,428.36

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Solution

The fourth proportional to 259,174.87, 357,617.95 and 144,428.36 is: 199,286.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,174.87 : 357,617.95 = 144,428.36 : x
  2. Step 2: Convert to fraction form
    259,174.87/357,617.95 = 144,428.36/x
  3. Step 3: Cross multiply
    259,174.87x = 357,617.95 × 144,428.36
  4. Step 4: Simplify right side
    259,174.87x = 51,650,173,694.11
  5. Step 5: Solve for x
    x = 51,650,173,694.11/259,174.87
  6. Step 6: Final answer
    x = 199,286.97

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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.