Home / 209,639.28-289,298.46-114,144.24

Finding the Fourth Proportional to 209,639.28, 289,298.46 and 114,144.24

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Solution

The fourth proportional to 209,639.28, 289,298.46 and 114,144.24 is: 157,517.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,639.28 : 289,298.46 = 114,144.24 : x
  2. Step 2: Convert to fraction form
    209,639.28/289,298.46 = 114,144.24/x
  3. Step 3: Cross multiply
    209,639.28x = 289,298.46 × 114,144.24
  4. Step 4: Simplify right side
    209,639.28x = 33,021,752,849.87
  5. Step 5: Solve for x
    x = 33,021,752,849.87/209,639.28
  6. Step 6: Final answer
    x = 157,517.01

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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.