Home / 200,232.77-276,421.19-115,333.43

Finding the Fourth Proportional to 200,232.77, 276,421.19 and 115,333.43

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Solution

The fourth proportional to 200,232.77, 276,421.19 and 115,333.43 is: 159,217.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,232.77 : 276,421.19 = 115,333.43 : x
  2. Step 2: Convert to fraction form
    200,232.77/276,421.19 = 115,333.43/x
  3. Step 3: Cross multiply
    200,232.77x = 276,421.19 × 115,333.43
  4. Step 4: Simplify right side
    200,232.77x = 31,880,602,008.61
  5. Step 5: Solve for x
    x = 31,880,602,008.61/200,232.77
  6. Step 6: Final answer
    x = 159,217.71

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Double scale
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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.