Home / 200,084.20-276,140.01-115,217.80

Finding the Fourth Proportional to 200,084.20, 276,140.01 and 115,217.80

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Solution

The fourth proportional to 200,084.20, 276,140.01 and 115,217.80 is: 159,014.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,084.20 : 276,140.01 = 115,217.80 : x
  2. Step 2: Convert to fraction form
    200,084.20/276,140.01 = 115,217.80/x
  3. Step 3: Cross multiply
    200,084.20x = 276,140.01 × 115,217.80
  4. Step 4: Simplify right side
    200,084.20x = 31,816,244,444.18
  5. Step 5: Solve for x
    x = 31,816,244,444.18/200,084.20
  6. Step 6: Final answer
    x = 159,014.28

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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.