Home / 223,104.27-307,882.20-121,127.73

Finding the Fourth Proportional to 223,104.27, 307,882.20 and 121,127.73

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Solution

The fourth proportional to 223,104.27, 307,882.20 and 121,127.73 is: 167,155.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,104.27 : 307,882.20 = 121,127.73 : x
  2. Step 2: Convert to fraction form
    223,104.27/307,882.20 = 121,127.73/x
  3. Step 3: Cross multiply
    223,104.27x = 307,882.20 × 121,127.73
  4. Step 4: Simplify right side
    223,104.27x = 37,293,071,993.41
  5. Step 5: Solve for x
    x = 37,293,071,993.41/223,104.27
  6. Step 6: Final answer
    x = 167,155.35

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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.