Home / 200,215.23-276,356.12-115,392.03

Finding the Fourth Proportional to 200,215.23, 276,356.12 and 115,392.03

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Solution

The fourth proportional to 200,215.23, 276,356.12 and 115,392.03 is: 159,275.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,215.23 : 276,356.12 = 115,392.03 : x
  2. Step 2: Convert to fraction form
    200,215.23/276,356.12 = 115,392.03/x
  3. Step 3: Cross multiply
    200,215.23x = 276,356.12 × 115,392.03
  4. Step 4: Simplify right side
    200,215.23x = 31,889,293,112.76
  5. Step 5: Solve for x
    x = 31,889,293,112.76/200,215.23
  6. Step 6: Final answer
    x = 159,275.06

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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.