Home / 223,227.48-308,056.18-121,253.92

Finding the Fourth Proportional to 223,227.48, 308,056.18 and 121,253.92

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Solution

The fourth proportional to 223,227.48, 308,056.18 and 121,253.92 is: 167,331.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,227.48 : 308,056.18 = 121,253.92 : x
  2. Step 2: Convert to fraction form
    223,227.48/308,056.18 = 121,253.92/x
  3. Step 3: Cross multiply
    223,227.48x = 308,056.18 × 121,253.92
  4. Step 4: Simplify right side
    223,227.48x = 37,353,019,405.23
  5. Step 5: Solve for x
    x = 37,353,019,405.23/223,227.48
  6. Step 6: Final answer
    x = 167,331.64

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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.