Home / 223,584.03-308,549.94-121,611.72

Finding the Fourth Proportional to 223,584.03, 308,549.94 and 121,611.72

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Solution

The fourth proportional to 223,584.03, 308,549.94 and 121,611.72 is: 167,826.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,584.03 : 308,549.94 = 121,611.72 : x
  2. Step 2: Convert to fraction form
    223,584.03/308,549.94 = 121,611.72/x
  3. Step 3: Cross multiply
    223,584.03x = 308,549.94 × 121,611.72
  4. Step 4: Simplify right side
    223,584.03x = 37,523,288,909.30
  5. Step 5: Solve for x
    x = 37,523,288,909.30/223,584.03
  6. Step 6: Final answer
    x = 167,826.34

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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.