Home / 396,179.04-594,210.16-129,967.68

Finding the Fourth Proportional to 396,179.04, 594,210.16 and 129,967.68

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Solution

The fourth proportional to 396,179.04, 594,210.16 and 129,967.68 is: 194,932.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,179.04 : 594,210.16 = 129,967.68 : x
  2. Step 2: Convert to fraction form
    396,179.04/594,210.16 = 129,967.68/x
  3. Step 3: Cross multiply
    396,179.04x = 594,210.16 × 129,967.68
  4. Step 4: Simplify right side
    396,179.04x = 77,228,115,927.63
  5. Step 5: Solve for x
    x = 77,228,115,927.63/396,179.04
  6. Step 6: Final answer
    x = 194,932.36

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1.5x scale

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.