Home / 223,339.08-308,209.94-121,364.56

Finding the Fourth Proportional to 223,339.08, 308,209.94 and 121,364.56

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Solution

The fourth proportional to 223,339.08, 308,209.94 and 121,364.56 is: 167,484.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,339.08 : 308,209.94 = 121,364.56 : x
  2. Step 2: Convert to fraction form
    223,339.08/308,209.94 = 121,364.56/x
  3. Step 3: Cross multiply
    223,339.08x = 308,209.94 × 121,364.56
  4. Step 4: Simplify right side
    223,339.08x = 37,405,763,755.73
  5. Step 5: Solve for x
    x = 37,405,763,755.73/223,339.08
  6. Step 6: Final answer
    x = 167,484.18

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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.