Home / 320,891.08-442,812.85-175,669.02

Finding the Fourth Proportional to 320,891.08, 442,812.85 and 175,669.02

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Solution

The fourth proportional to 320,891.08, 442,812.85 and 175,669.02 is: 242,414.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,891.08 : 442,812.85 = 175,669.02 : x
  2. Step 2: Convert to fraction form
    320,891.08/442,812.85 = 175,669.02/x
  3. Step 3: Cross multiply
    320,891.08x = 442,812.85 × 175,669.02
  4. Step 4: Simplify right side
    320,891.08x = 77,788,499,402.91
  5. Step 5: Solve for x
    x = 77,788,499,402.91/320,891.08
  6. Step 6: Final answer
    x = 242,414.03

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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.