Home / 218,601.24-327,655.71-111,686.10

Finding the Fourth Proportional to 218,601.24, 327,655.71 and 111,686.10

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Solution

The fourth proportional to 218,601.24, 327,655.71 and 111,686.10 is: 167,403.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,601.24 : 327,655.71 = 111,686.10 : x
  2. Step 2: Convert to fraction form
    218,601.24/327,655.71 = 111,686.10/x
  3. Step 3: Cross multiply
    218,601.24x = 327,655.71 × 111,686.10
  4. Step 4: Simplify right side
    218,601.24x = 36,594,588,392.63
  5. Step 5: Solve for x
    x = 36,594,588,392.63/218,601.24
  6. Step 6: Final answer
    x = 167,403.39

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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.