Home / 163,326.80-225,377.16-91,701.20

Finding the Fourth Proportional to 163,326.80, 225,377.16 and 91,701.20

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Solution

The fourth proportional to 163,326.80, 225,377.16 and 91,701.20 is: 126,539.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,326.80 : 225,377.16 = 91,701.20 : x
  2. Step 2: Convert to fraction form
    163,326.80/225,377.16 = 91,701.20/x
  3. Step 3: Cross multiply
    163,326.80x = 225,377.16 × 91,701.20
  4. Step 4: Simplify right side
    163,326.80x = 20,667,356,024.59
  5. Step 5: Solve for x
    x = 20,667,356,024.59/163,326.80
  6. Step 6: Final answer
    x = 126,539.89

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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.