Home / 223,685.37-308,676.52-121,711.23

Finding the Fourth Proportional to 223,685.37, 308,676.52 and 121,711.23

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Solution

The fourth proportional to 223,685.37, 308,676.52 and 121,711.23 is: 167,956.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,685.37 : 308,676.52 = 121,711.23 : x
  2. Step 2: Convert to fraction form
    223,685.37/308,676.52 = 121,711.23/x
  3. Step 3: Cross multiply
    223,685.37x = 308,676.52 × 121,711.23
  4. Step 4: Simplify right side
    223,685.37x = 37,569,399,073.46
  5. Step 5: Solve for x
    x = 37,569,399,073.46/223,685.37
  6. Step 6: Final answer
    x = 167,956.44

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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.