Home / 200,322.74-276,458.72-115,445.27

Finding the Fourth Proportional to 200,322.74, 276,458.72 and 115,445.27

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Solution

The fourth proportional to 200,322.74, 276,458.72 and 115,445.27 is: 159,322.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,322.74 : 276,458.72 = 115,445.27 : x
  2. Step 2: Convert to fraction form
    200,322.74/276,458.72 = 115,445.27/x
  3. Step 3: Cross multiply
    200,322.74x = 276,458.72 × 115,445.27
  4. Step 4: Simplify right side
    200,322.74x = 31,915,849,614.73
  5. Step 5: Solve for x
    x = 31,915,849,614.73/200,322.74
  6. Step 6: Final answer
    x = 159,322.15

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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.