Home / 369,623.68-510,081.04-199,857.76

Finding the Fourth Proportional to 369,623.68, 510,081.04 and 199,857.76

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Solution

The fourth proportional to 369,623.68, 510,081.04 and 199,857.76 is: 275,803.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,623.68 : 510,081.04 = 199,857.76 : x
  2. Step 2: Convert to fraction form
    369,623.68/510,081.04 = 199,857.76/x
  3. Step 3: Cross multiply
    369,623.68x = 510,081.04 × 199,857.76
  4. Step 4: Simplify right side
    369,623.68x = 101,943,654,072.87
  5. Step 5: Solve for x
    x = 101,943,654,072.87/369,623.68
  6. Step 6: Final answer
    x = 275,803.90

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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.