Home / 146,439.92-219,408.88-98,318.40

Finding the Fourth Proportional to 146,439.92, 219,408.88 and 98,318.40

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Solution

The fourth proportional to 146,439.92, 219,408.88 and 98,318.40 is: 147,309.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,439.92 : 219,408.88 = 98,318.40 : x
  2. Step 2: Convert to fraction form
    146,439.92/219,408.88 = 98,318.40/x
  3. Step 3: Cross multiply
    146,439.92x = 219,408.88 × 98,318.40
  4. Step 4: Simplify right side
    146,439.92x = 21,571,930,027.39
  5. Step 5: Solve for x
    x = 21,571,930,027.39/146,439.92
  6. Step 6: Final answer
    x = 147,309.08

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1.5x scale

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.