Home / 238,023.66-357,036.72-80,253.48

Finding the Fourth Proportional to 238,023.66, 357,036.72 and 80,253.48

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Solution

The fourth proportional to 238,023.66, 357,036.72 and 80,253.48 is: 120,380.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,023.66 : 357,036.72 = 80,253.48 : x
  2. Step 2: Convert to fraction form
    238,023.66/357,036.72 = 80,253.48/x
  3. Step 3: Cross multiply
    238,023.66x = 357,036.72 × 80,253.48
  4. Step 4: Simplify right side
    238,023.66x = 28,653,439,267.79
  5. Step 5: Solve for x
    x = 28,653,439,267.79/238,023.66
  6. Step 6: Final answer
    x = 120,380.63

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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.