Home / 279,020.46-385,046.34-151,696.06

Finding the Fourth Proportional to 279,020.46, 385,046.34 and 151,696.06

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Solution

The fourth proportional to 279,020.46, 385,046.34 and 151,696.06 is: 209,339.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,020.46 : 385,046.34 = 151,696.06 : x
  2. Step 2: Convert to fraction form
    279,020.46/385,046.34 = 151,696.06/x
  3. Step 3: Cross multiply
    279,020.46x = 385,046.34 × 151,696.06
  4. Step 4: Simplify right side
    279,020.46x = 58,410,011,732.80
  5. Step 5: Solve for x
    x = 58,410,011,732.80/279,020.46
  6. Step 6: Final answer
    x = 209,339.53

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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.