Home / 152,606.38-228,614.37-85,843.66

Finding the Fourth Proportional to 152,606.38, 228,614.37 and 85,843.66

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Solution

The fourth proportional to 152,606.38, 228,614.37 and 85,843.66 is: 128,599.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,606.38 : 228,614.37 = 85,843.66 : x
  2. Step 2: Convert to fraction form
    152,606.38/228,614.37 = 85,843.66/x
  3. Step 3: Cross multiply
    152,606.38x = 228,614.37 × 85,843.66
  4. Step 4: Simplify right side
    152,606.38x = 19,625,094,249.39
  5. Step 5: Solve for x
    x = 19,625,094,249.39/152,606.38
  6. Step 6: Final answer
    x = 128,599.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.