Home / 146,581.13-202,286.93-86,150.90

Finding the Fourth Proportional to 146,581.13, 202,286.93 and 86,150.90

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Solution

The fourth proportional to 146,581.13, 202,286.93 and 86,150.90 is: 118,891.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,581.13 : 202,286.93 = 86,150.90 : x
  2. Step 2: Convert to fraction form
    146,581.13/202,286.93 = 86,150.90/x
  3. Step 3: Cross multiply
    146,581.13x = 202,286.93 × 86,150.90
  4. Step 4: Simplify right side
    146,581.13x = 17,427,201,077.74
  5. Step 5: Solve for x
    x = 17,427,201,077.74/146,581.13
  6. Step 6: Final answer
    x = 118,891.16

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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.