Home / 200,177.85-276,233.52-109,515.77

Finding the Fourth Proportional to 200,177.85, 276,233.52 and 109,515.77

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Solution

The fourth proportional to 200,177.85, 276,233.52 and 109,515.77 is: 151,125.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,177.85 : 276,233.52 = 109,515.77 : x
  2. Step 2: Convert to fraction form
    200,177.85/276,233.52 = 109,515.77/x
  3. Step 3: Cross multiply
    200,177.85x = 276,233.52 × 109,515.77
  4. Step 4: Simplify right side
    200,177.85x = 30,251,926,642.61
  5. Step 5: Solve for x
    x = 30,251,926,642.61/200,177.85
  6. Step 6: Final answer
    x = 151,125.25

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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.