Home / 238,011.60-357,018.68-80,241.52

Finding the Fourth Proportional to 238,011.60, 357,018.68 and 80,241.52

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Solution

The fourth proportional to 238,011.60, 357,018.68 and 80,241.52 is: 120,362.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,011.60 : 357,018.68 = 80,241.52 : x
  2. Step 2: Convert to fraction form
    238,011.60/357,018.68 = 80,241.52/x
  3. Step 3: Cross multiply
    238,011.60x = 357,018.68 × 80,241.52
  4. Step 4: Simplify right side
    238,011.60x = 28,647,721,551.59
  5. Step 5: Solve for x
    x = 28,647,721,551.59/238,011.60
  6. Step 6: Final answer
    x = 120,362.71

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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.