Home / 200,156.51-276,213.65-109,511.43

Finding the Fourth Proportional to 200,156.51, 276,213.65 and 109,511.43

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Solution

The fourth proportional to 200,156.51, 276,213.65 and 109,511.43 is: 151,124.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,156.51 : 276,213.65 = 109,511.43 : x
  2. Step 2: Convert to fraction form
    200,156.51/276,213.65 = 109,511.43/x
  3. Step 3: Cross multiply
    200,156.51x = 276,213.65 × 109,511.43
  4. Step 4: Simplify right side
    200,156.51x = 30,248,551,249.46
  5. Step 5: Solve for x
    x = 30,248,551,249.46/200,156.51
  6. Step 6: Final answer
    x = 151,124.50

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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.