Home / 223,227.19-308,056.83-121,254.64

Finding the Fourth Proportional to 223,227.19, 308,056.83 and 121,254.64

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Solution

The fourth proportional to 223,227.19, 308,056.83 and 121,254.64 is: 167,333.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,227.19 : 308,056.83 = 121,254.64 : x
  2. Step 2: Convert to fraction form
    223,227.19/308,056.83 = 121,254.64/x
  3. Step 3: Cross multiply
    223,227.19x = 308,056.83 × 121,254.64
  4. Step 4: Simplify right side
    223,227.19x = 37,353,318,480.91
  5. Step 5: Solve for x
    x = 37,353,318,480.91/223,227.19
  6. Step 6: Final answer
    x = 167,333.20

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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.