Home / 229,965.05-317,362.20-127,997.03

Finding the Fourth Proportional to 229,965.05, 317,362.20 and 127,997.03

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Solution

The fourth proportional to 229,965.05, 317,362.20 and 127,997.03 is: 176,641.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,965.05 : 317,362.20 = 127,997.03 : x
  2. Step 2: Convert to fraction form
    229,965.05/317,362.20 = 127,997.03/x
  3. Step 3: Cross multiply
    229,965.05x = 317,362.20 × 127,997.03
  4. Step 4: Simplify right side
    229,965.05x = 40,621,417,447.46
  5. Step 5: Solve for x
    x = 40,621,417,447.46/229,965.05
  6. Step 6: Final answer
    x = 176,641.70

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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.