Home / 223,020.02-307,757.13-121,043.18

Finding the Fourth Proportional to 223,020.02, 307,757.13 and 121,043.18

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Solution

The fourth proportional to 223,020.02, 307,757.13 and 121,043.18 is: 167,033.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,020.02 : 307,757.13 = 121,043.18 : x
  2. Step 2: Convert to fraction form
    223,020.02/307,757.13 = 121,043.18/x
  3. Step 3: Cross multiply
    223,020.02x = 307,757.13 × 121,043.18
  4. Step 4: Simplify right side
    223,020.02x = 37,251,901,682.87
  5. Step 5: Solve for x
    x = 37,251,901,682.87/223,020.02
  6. Step 6: Final answer
    x = 167,033.89

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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.