Home / 257,546.04-386,286.24-99,666.48

Finding the Fourth Proportional to 257,546.04, 386,286.24 and 99,666.48

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Solution

The fourth proportional to 257,546.04, 386,286.24 and 99,666.48 is: 149,487.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,546.04 : 386,286.24 = 99,666.48 : x
  2. Step 2: Convert to fraction form
    257,546.04/386,286.24 = 99,666.48/x
  3. Step 3: Cross multiply
    257,546.04x = 386,286.24 × 99,666.48
  4. Step 4: Simplify right side
    257,546.04x = 38,499,789,813.24
  5. Step 5: Solve for x
    x = 38,499,789,813.24/257,546.04
  6. Step 6: Final answer
    x = 149,487.02

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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.