Home / 223,104.27-307,882.19-121,127.72

Finding the Fourth Proportional to 223,104.27, 307,882.19 and 121,127.72

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Solution

The fourth proportional to 223,104.27, 307,882.19 and 121,127.72 is: 167,155.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,104.27 : 307,882.19 = 121,127.72 : x
  2. Step 2: Convert to fraction form
    223,104.27/307,882.19 = 121,127.72/x
  3. Step 3: Cross multiply
    223,104.27x = 307,882.19 × 121,127.72
  4. Step 4: Simplify right side
    223,104.27x = 37,293,068,775.83
  5. Step 5: Solve for x
    x = 37,293,068,775.83/223,104.27
  6. Step 6: Final answer
    x = 167,155.33

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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.