Home / 209,979.94-289,773.69-114,488.23

Finding the Fourth Proportional to 209,979.94, 289,773.69 and 114,488.23

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Solution

The fourth proportional to 209,979.94, 289,773.69 and 114,488.23 is: 157,994.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,979.94 : 289,773.69 = 114,488.23 : x
  2. Step 2: Convert to fraction form
    209,979.94/289,773.69 = 114,488.23/x
  3. Step 3: Cross multiply
    209,979.94x = 289,773.69 × 114,488.23
  4. Step 4: Simplify right side
    209,979.94x = 33,175,676,868.67
  5. Step 5: Solve for x
    x = 33,175,676,868.67/209,979.94
  6. Step 6: Final answer
    x = 157,994.51

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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.