Home / 157,770.11-236,724.54-82,872.86

Finding the Fourth Proportional to 157,770.11, 236,724.54 and 82,872.86

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Solution

The fourth proportional to 157,770.11, 236,724.54 and 82,872.86 is: 124,345.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,770.11 : 236,724.54 = 82,872.86 : x
  2. Step 2: Convert to fraction form
    157,770.11/236,724.54 = 82,872.86/x
  3. Step 3: Cross multiply
    157,770.11x = 236,724.54 × 82,872.86
  4. Step 4: Simplify right side
    157,770.11x = 19,618,039,661.98
  5. Step 5: Solve for x
    x = 19,618,039,661.98/157,770.11
  6. Step 6: Final answer
    x = 124,345.73

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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.