Home / 218,447.83-327,562.18-127,292.76

Finding the Fourth Proportional to 218,447.83, 327,562.18 and 127,292.76

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Solution

The fourth proportional to 218,447.83, 327,562.18 and 127,292.76 is: 190,875.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,447.83 : 327,562.18 = 127,292.76 : x
  2. Step 2: Convert to fraction form
    218,447.83/327,562.18 = 127,292.76/x
  3. Step 3: Cross multiply
    218,447.83x = 327,562.18 × 127,292.76
  4. Step 4: Simplify right side
    218,447.83x = 41,696,293,415.27
  5. Step 5: Solve for x
    x = 41,696,293,415.27/218,447.83
  6. Step 6: Final answer
    x = 190,875.29

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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.