Home / 163,340.55-225,404.10-91,723.59

Finding the Fourth Proportional to 163,340.55, 225,404.10 and 91,723.59

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Solution

The fourth proportional to 163,340.55, 225,404.10 and 91,723.59 is: 126,575.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,340.55 : 225,404.10 = 91,723.59 : x
  2. Step 2: Convert to fraction form
    163,340.55/225,404.10 = 91,723.59/x
  3. Step 3: Cross multiply
    163,340.55x = 225,404.10 × 91,723.59
  4. Step 4: Simplify right side
    163,340.55x = 20,674,873,252.72
  5. Step 5: Solve for x
    x = 20,674,873,252.72/163,340.55
  6. Step 6: Final answer
    x = 126,575.26

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1.5x scale

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.