Home / 200,322.62-276,434.70-109,661.22

Finding the Fourth Proportional to 200,322.62, 276,434.70 and 109,661.22

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Solution

The fourth proportional to 200,322.62, 276,434.70 and 109,661.22 is: 151,326.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,322.62 : 276,434.70 = 109,661.22 : x
  2. Step 2: Convert to fraction form
    200,322.62/276,434.70 = 109,661.22/x
  3. Step 3: Cross multiply
    200,322.62x = 276,434.70 × 109,661.22
  4. Step 4: Simplify right side
    200,322.62x = 30,314,165,070.16
  5. Step 5: Solve for x
    x = 30,314,165,070.16/200,322.62
  6. Step 6: Final answer
    x = 151,326.72

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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.