Home / 209,878.05-289,623.27-114,382.69

Finding the Fourth Proportional to 209,878.05, 289,623.27 and 114,382.69

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Solution

The fourth proportional to 209,878.05, 289,623.27 and 114,382.69 is: 157,843.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,878.05 : 289,623.27 = 114,382.69 : x
  2. Step 2: Convert to fraction form
    209,878.05/289,623.27 = 114,382.69/x
  3. Step 3: Cross multiply
    209,878.05x = 289,623.27 × 114,382.69
  4. Step 4: Simplify right side
    209,878.05x = 33,127,888,709.20
  5. Step 5: Solve for x
    x = 33,127,888,709.20/209,878.05
  6. Step 6: Final answer
    x = 157,843.51

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1.5x scale

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.