Home / 223,826.74-308,910.42-128,314.96

Finding the Fourth Proportional to 223,826.74, 308,910.42 and 128,314.96

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Solution

The fourth proportional to 223,826.74, 308,910.42 and 128,314.96 is: 177,091.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,826.74 : 308,910.42 = 128,314.96 : x
  2. Step 2: Convert to fraction form
    223,826.74/308,910.42 = 128,314.96/x
  3. Step 3: Cross multiply
    223,826.74x = 308,910.42 × 128,314.96
  4. Step 4: Simplify right side
    223,826.74x = 39,637,828,185.88
  5. Step 5: Solve for x
    x = 39,637,828,185.88/223,826.74
  6. Step 6: Final answer
    x = 177,091.57

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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.