Home / 236,590.05-326,499.21-129,164.61

Finding the Fourth Proportional to 236,590.05, 326,499.21 and 129,164.61

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Solution

The fourth proportional to 236,590.05, 326,499.21 and 129,164.61 is: 178,249.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,590.05 : 326,499.21 = 129,164.61 : x
  2. Step 2: Convert to fraction form
    236,590.05/326,499.21 = 129,164.61/x
  3. Step 3: Cross multiply
    236,590.05x = 326,499.21 × 129,164.61
  4. Step 4: Simplify right side
    236,590.05x = 42,172,143,124.96
  5. Step 5: Solve for x
    x = 42,172,143,124.96/236,590.05
  6. Step 6: Final answer
    x = 178,249.86

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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.