Home / 146,355.50-219,616.28-57,671.28

Finding the Fourth Proportional to 146,355.50, 219,616.28 and 57,671.28

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Solution

The fourth proportional to 146,355.50, 219,616.28 and 57,671.28 is: 86,539.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,355.50 : 219,616.28 = 57,671.28 : x
  2. Step 2: Convert to fraction form
    146,355.50/219,616.28 = 57,671.28/x
  3. Step 3: Cross multiply
    146,355.50x = 219,616.28 × 57,671.28
  4. Step 4: Simplify right side
    146,355.50x = 12,665,551,976.44
  5. Step 5: Solve for x
    x = 12,665,551,976.44/146,355.50
  6. Step 6: Final answer
    x = 86,539.64

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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.