Home / 146,118.66-201,652.92-85,667.28

Finding the Fourth Proportional to 146,118.66, 201,652.92 and 85,667.28

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Solution

The fourth proportional to 146,118.66, 201,652.92 and 85,667.28 is: 118,226.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,118.66 : 201,652.92 = 85,667.28 : x
  2. Step 2: Convert to fraction form
    146,118.66/201,652.92 = 85,667.28/x
  3. Step 3: Cross multiply
    146,118.66x = 201,652.92 × 85,667.28
  4. Step 4: Simplify right side
    146,118.66x = 17,275,057,160.46
  5. Step 5: Solve for x
    x = 17,275,057,160.46/146,118.66
  6. Step 6: Final answer
    x = 118,226.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.