Home / 179,505.52-269,128.68-54,778.48

Finding the Fourth Proportional to 179,505.52, 269,128.68 and 54,778.48

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Solution

The fourth proportional to 179,505.52, 269,128.68 and 54,778.48 is: 82,128.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,505.52 : 269,128.68 = 54,778.48 : x
  2. Step 2: Convert to fraction form
    179,505.52/269,128.68 = 54,778.48/x
  3. Step 3: Cross multiply
    179,505.52x = 269,128.68 × 54,778.48
  4. Step 4: Simplify right side
    179,505.52x = 14,742,460,014.81
  5. Step 5: Solve for x
    x = 14,742,460,014.81/179,505.52
  6. Step 6: Final answer
    x = 82,128.17

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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.