Home / 209,839.62-289,574.91-114,347.10

Finding the Fourth Proportional to 209,839.62, 289,574.91 and 114,347.10

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Solution

The fourth proportional to 209,839.62, 289,574.91 and 114,347.10 is: 157,796.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,839.62 : 289,574.91 = 114,347.10 : x
  2. Step 2: Convert to fraction form
    209,839.62/289,574.91 = 114,347.10/x
  3. Step 3: Cross multiply
    209,839.62x = 289,574.91 × 114,347.10
  4. Step 4: Simplify right side
    209,839.62x = 33,112,051,191.26
  5. Step 5: Solve for x
    x = 33,112,051,191.26/209,839.62
  6. Step 6: Final answer
    x = 157,796.95

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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.