Home / 172,524.36-236,811.60-153,239.88

Finding the Fourth Proportional to 172,524.36, 236,811.60 and 153,239.88

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Solution

The fourth proportional to 172,524.36, 236,811.60 and 153,239.88 is: 210,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,524.36 : 236,811.60 = 153,239.88 : x
  2. Step 2: Convert to fraction form
    172,524.36/236,811.60 = 153,239.88/x
  3. Step 3: Cross multiply
    172,524.36x = 236,811.60 × 153,239.88
  4. Step 4: Simplify right side
    172,524.36x = 36,288,981,166.61
  5. Step 5: Solve for x
    x = 36,288,981,166.61/172,524.36
  6. Step 6: Final answer
    x = 210,341.20

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.