Home / 233,920-322,809.04-131,945.12

Finding the Fourth Proportional to 233,920, 322,809.04 and 131,945.12

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Solution

The fourth proportional to 233,920, 322,809.04 and 131,945.12 is: 182,083.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,920 : 322,809.04 = 131,945.12 : x
  2. Step 2: Convert to fraction form
    233,920/322,809.04 = 131,945.12/x
  3. Step 3: Cross multiply
    233,920x = 322,809.04 × 131,945.12
  4. Step 4: Simplify right side
    233,920x = 42,593,077,519.88
  5. Step 5: Solve for x
    x = 42,593,077,519.88/233,920
  6. Step 6: Final answer
    x = 182,083.95

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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.