Home / 146,786.93-220,179.22-87,228.17

Finding the Fourth Proportional to 146,786.93, 220,179.22 and 87,228.17

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Solution

The fourth proportional to 146,786.93, 220,179.22 and 87,228.17 is: 130,841.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,786.93 : 220,179.22 = 87,228.17 : x
  2. Step 2: Convert to fraction form
    146,786.93/220,179.22 = 87,228.17/x
  3. Step 3: Cross multiply
    146,786.93x = 220,179.22 × 87,228.17
  4. Step 4: Simplify right side
    146,786.93x = 19,205,829,113.66
  5. Step 5: Solve for x
    x = 19,205,829,113.66/146,786.93
  6. Step 6: Final answer
    x = 130,841.55

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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.