Home / 223,623.72-308,606.37-121,654.92

Finding the Fourth Proportional to 223,623.72, 308,606.37 and 121,654.92

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Solution

The fourth proportional to 223,623.72, 308,606.37 and 121,654.92 is: 167,886.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,623.72 : 308,606.37 = 121,654.92 : x
  2. Step 2: Convert to fraction form
    223,623.72/308,606.37 = 121,654.92/x
  3. Step 3: Cross multiply
    223,623.72x = 308,606.37 × 121,654.92
  4. Step 4: Simplify right side
    223,623.72x = 37,543,483,253.84
  5. Step 5: Solve for x
    x = 37,543,483,253.84/223,623.72
  6. Step 6: Final answer
    x = 167,886.86

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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.