Home / 146,435.14-202,079.91-81,904.47

Finding the Fourth Proportional to 146,435.14, 202,079.91 and 81,904.47

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Solution

The fourth proportional to 146,435.14, 202,079.91 and 81,904.47 is: 113,027.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,435.14 : 202,079.91 = 81,904.47 : x
  2. Step 2: Convert to fraction form
    146,435.14/202,079.91 = 81,904.47/x
  3. Step 3: Cross multiply
    146,435.14x = 202,079.91 × 81,904.47
  4. Step 4: Simplify right side
    146,435.14x = 16,551,247,926.20
  5. Step 5: Solve for x
    x = 16,551,247,926.20/146,435.14
  6. Step 6: Final answer
    x = 113,027.84

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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.