Home / 160,634.48-240,945.78-76,454.96

Finding the Fourth Proportional to 160,634.48, 240,945.78 and 76,454.96

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Solution

The fourth proportional to 160,634.48, 240,945.78 and 76,454.96 is: 114,679.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,634.48 : 240,945.78 = 76,454.96 : x
  2. Step 2: Convert to fraction form
    160,634.48/240,945.78 = 76,454.96/x
  3. Step 3: Cross multiply
    160,634.48x = 240,945.78 × 76,454.96
  4. Step 4: Simplify right side
    160,634.48x = 18,421,499,972.07
  5. Step 5: Solve for x
    x = 18,421,499,972.07/160,634.48
  6. Step 6: Final answer
    x = 114,679.61

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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.