Home / 200,490.17-276,608.32-114,387.30

Finding the Fourth Proportional to 200,490.17, 276,608.32 and 114,387.30

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Solution

The fourth proportional to 200,490.17, 276,608.32 and 114,387.30 is: 157,815.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,490.17 : 276,608.32 = 114,387.30 : x
  2. Step 2: Convert to fraction form
    200,490.17/276,608.32 = 114,387.30/x
  3. Step 3: Cross multiply
    200,490.17x = 276,608.32 × 114,387.30
  4. Step 4: Simplify right side
    200,490.17x = 31,640,478,882.34
  5. Step 5: Solve for x
    x = 31,640,478,882.34/200,490.17
  6. Step 6: Final answer
    x = 157,815.61

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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.