Home / 146,426.40-219,882.52-91,372.32

Finding the Fourth Proportional to 146,426.40, 219,882.52 and 91,372.32

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Solution

The fourth proportional to 146,426.40, 219,882.52 and 91,372.32 is: 137,210.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,426.40 : 219,882.52 = 91,372.32 : x
  2. Step 2: Convert to fraction form
    146,426.40/219,882.52 = 91,372.32/x
  3. Step 3: Cross multiply
    146,426.40x = 219,882.52 × 91,372.32
  4. Step 4: Simplify right side
    146,426.40x = 20,091,175,979.85
  5. Step 5: Solve for x
    x = 20,091,175,979.85/146,426.40
  6. Step 6: Final answer
    x = 137,210.07

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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.