Home / 179,624.70-269,439.48-86,108.58

Finding the Fourth Proportional to 179,624.70, 269,439.48 and 86,108.58

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Solution

The fourth proportional to 179,624.70, 269,439.48 and 86,108.58 is: 129,164.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,624.70 : 269,439.48 = 86,108.58 : x
  2. Step 2: Convert to fraction form
    179,624.70/269,439.48 = 86,108.58/x
  3. Step 3: Cross multiply
    179,624.70x = 269,439.48 × 86,108.58
  4. Step 4: Simplify right side
    179,624.70x = 23,201,051,018.74
  5. Step 5: Solve for x
    x = 23,201,051,018.74/179,624.70
  6. Step 6: Final answer
    x = 129,164.03

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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.