Home / 331,448.59-457,402.14-188,211.61

Finding the Fourth Proportional to 331,448.59, 457,402.14 and 188,211.61

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Solution

The fourth proportional to 331,448.59, 457,402.14 and 188,211.61 is: 259,733.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,448.59 : 457,402.14 = 188,211.61 : x
  2. Step 2: Convert to fraction form
    331,448.59/457,402.14 = 188,211.61/x
  3. Step 3: Cross multiply
    331,448.59x = 457,402.14 × 188,211.61
  4. Step 4: Simplify right side
    331,448.59x = 86,088,393,186.85
  5. Step 5: Solve for x
    x = 86,088,393,186.85/331,448.59
  6. Step 6: Final answer
    x = 259,733.77

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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.