Home / 164,435.20-226,920-88,983.68

Finding the Fourth Proportional to 164,435.20, 226,920 and 88,983.68

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Solution

The fourth proportional to 164,435.20, 226,920 and 88,983.68 is: 122,797.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,435.20 : 226,920 = 88,983.68 : x
  2. Step 2: Convert to fraction form
    164,435.20/226,920 = 88,983.68/x
  3. Step 3: Cross multiply
    164,435.20x = 226,920 × 88,983.68
  4. Step 4: Simplify right side
    164,435.20x = 20,192,176,665.60
  5. Step 5: Solve for x
    x = 20,192,176,665.60/164,435.20
  6. Step 6: Final answer
    x = 122,797.17

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1.5x scale

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.