Home / 223,054.33-307,811.15-122,451.61

Finding the Fourth Proportional to 223,054.33, 307,811.15 and 122,451.61

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Solution

The fourth proportional to 223,054.33, 307,811.15 and 122,451.61 is: 168,981.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,054.33 : 307,811.15 = 122,451.61 : x
  2. Step 2: Convert to fraction form
    223,054.33/307,811.15 = 122,451.61/x
  3. Step 3: Cross multiply
    223,054.33x = 307,811.15 × 122,451.61
  4. Step 4: Simplify right side
    223,054.33x = 37,691,970,281.19
  5. Step 5: Solve for x
    x = 37,691,970,281.19/223,054.33
  6. Step 6: Final answer
    x = 168,981.12

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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.