Home / 200,115.06-276,165.90-109,465.62

Finding the Fourth Proportional to 200,115.06, 276,165.90 and 109,465.62

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Solution

The fourth proportional to 200,115.06, 276,165.90 and 109,465.62 is: 151,066.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,115.06 : 276,165.90 = 109,465.62 : x
  2. Step 2: Convert to fraction form
    200,115.06/276,165.90 = 109,465.62/x
  3. Step 3: Cross multiply
    200,115.06x = 276,165.90 × 109,465.62
  4. Step 4: Simplify right side
    200,115.06x = 30,230,671,466.36
  5. Step 5: Solve for x
    x = 30,230,671,466.36/200,115.06
  6. Step 6: Final answer
    x = 151,066.45

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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.