Home / 278,646.30-384,593.13-183,161.88

Finding the Fourth Proportional to 278,646.30, 384,593.13 and 183,161.88

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Solution

The fourth proportional to 278,646.30, 384,593.13 and 183,161.88 is: 252,803.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,646.30 : 384,593.13 = 183,161.88 : x
  2. Step 2: Convert to fraction form
    278,646.30/384,593.13 = 183,161.88/x
  3. Step 3: Cross multiply
    278,646.30x = 384,593.13 × 183,161.88
  4. Step 4: Simplify right side
    278,646.30x = 70,442,800,725.88
  5. Step 5: Solve for x
    x = 70,442,800,725.88/278,646.30
  6. Step 6: Final answer
    x = 252,803.65

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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.