Home / 223,461.41-308,370.31-126,674.21

Finding the Fourth Proportional to 223,461.41, 308,370.31 and 126,674.21

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Solution

The fourth proportional to 223,461.41, 308,370.31 and 126,674.21 is: 174,806.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,461.41 : 308,370.31 = 126,674.21 : x
  2. Step 2: Convert to fraction form
    223,461.41/308,370.31 = 126,674.21/x
  3. Step 3: Cross multiply
    223,461.41x = 308,370.31 × 126,674.21
  4. Step 4: Simplify right side
    223,461.41x = 39,062,565,860.95
  5. Step 5: Solve for x
    x = 39,062,565,860.95/223,461.41
  6. Step 6: Final answer
    x = 174,806.77

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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.