Home / 351,886.15-486,006.45-231,564.59

Finding the Fourth Proportional to 351,886.15, 486,006.45 and 231,564.59

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Solution

The fourth proportional to 351,886.15, 486,006.45 and 231,564.59 is: 319,824.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,886.15 : 486,006.45 = 231,564.59 : x
  2. Step 2: Convert to fraction form
    351,886.15/486,006.45 = 231,564.59/x
  3. Step 3: Cross multiply
    351,886.15x = 486,006.45 × 231,564.59
  4. Step 4: Simplify right side
    351,886.15x = 112,541,884,331.61
  5. Step 5: Solve for x
    x = 112,541,884,331.61/351,886.15
  6. Step 6: Final answer
    x = 319,824.71

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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.