Home / 200,412.06-276,572.85-109,771.86

Finding the Fourth Proportional to 200,412.06, 276,572.85 and 109,771.86

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Solution

The fourth proportional to 200,412.06, 276,572.85 and 109,771.86 is: 151,487.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,412.06 : 276,572.85 = 109,771.86 : x
  2. Step 2: Convert to fraction form
    200,412.06/276,572.85 = 109,771.86/x
  3. Step 3: Cross multiply
    200,412.06x = 276,572.85 × 109,771.86
  4. Step 4: Simplify right side
    200,412.06x = 30,359,916,170.00
  5. Step 5: Solve for x
    x = 30,359,916,170.00/200,412.06
  6. Step 6: Final answer
    x = 151,487.47

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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.