Home / 223,983.03-309,043.55-127,165.89

Finding the Fourth Proportional to 223,983.03, 309,043.55 and 127,165.89

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Solution

The fourth proportional to 223,983.03, 309,043.55 and 127,165.89 is: 175,458.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,983.03 : 309,043.55 = 127,165.89 : x
  2. Step 2: Convert to fraction form
    223,983.03/309,043.55 = 127,165.89/x
  3. Step 3: Cross multiply
    223,983.03x = 309,043.55 × 127,165.89
  4. Step 4: Simplify right side
    223,983.03x = 39,299,797,448.68
  5. Step 5: Solve for x
    x = 39,299,797,448.68/223,983.03
  6. Step 6: Final answer
    x = 175,458.82

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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.