Home / 413,097.80-619,733.10-132,643.40

Finding the Fourth Proportional to 413,097.80, 619,733.10 and 132,643.40

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Solution

The fourth proportional to 413,097.80, 619,733.10 and 132,643.40 is: 198,992.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,097.80 : 619,733.10 = 132,643.40 : x
  2. Step 2: Convert to fraction form
    413,097.80/619,733.10 = 132,643.40/x
  3. Step 3: Cross multiply
    413,097.80x = 619,733.10 × 132,643.40
  4. Step 4: Simplify right side
    413,097.80x = 82,203,505,476.54
  5. Step 5: Solve for x
    x = 82,203,505,476.54/413,097.80
  6. Step 6: Final answer
    x = 198,992.84

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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.