Home / 345,582.63-518,296.19-123,966.63

Finding the Fourth Proportional to 345,582.63, 518,296.19 and 123,966.63

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Solution

The fourth proportional to 345,582.63, 518,296.19 and 123,966.63 is: 185,922.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,582.63 : 518,296.19 = 123,966.63 : x
  2. Step 2: Convert to fraction form
    345,582.63/518,296.19 = 123,966.63/x
  3. Step 3: Cross multiply
    345,582.63x = 518,296.19 × 123,966.63
  4. Step 4: Simplify right side
    345,582.63x = 64,251,431,396.31
  5. Step 5: Solve for x
    x = 64,251,431,396.31/345,582.63
  6. Step 6: Final answer
    x = 185,922.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.