Home / 238,179.12-357,336.36-194,221.68

Finding the Fourth Proportional to 238,179.12, 357,336.36 and 194,221.68

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Solution

The fourth proportional to 238,179.12, 357,336.36 and 194,221.68 is: 291,387.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,179.12 : 357,336.36 = 194,221.68 : x
  2. Step 2: Convert to fraction form
    238,179.12/357,336.36 = 194,221.68/x
  3. Step 3: Cross multiply
    238,179.12x = 357,336.36 × 194,221.68
  4. Step 4: Simplify right side
    238,179.12x = 69,402,468,164.28
  5. Step 5: Solve for x
    x = 69,402,468,164.28/238,179.12
  6. Step 6: Final answer
    x = 291,387.71

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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.