Home / 168,433.12-232,436.28-92,980

Finding the Fourth Proportional to 168,433.12, 232,436.28 and 92,980

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Solution

The fourth proportional to 168,433.12, 232,436.28 and 92,980 is: 128,311.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,433.12 : 232,436.28 = 92,980 : x
  2. Step 2: Convert to fraction form
    168,433.12/232,436.28 = 92,980/x
  3. Step 3: Cross multiply
    168,433.12x = 232,436.28 × 92,980
  4. Step 4: Simplify right side
    168,433.12x = 21,611,925,314.40
  5. Step 5: Solve for x
    x = 21,611,925,314.40/168,433.12
  6. Step 6: Final answer
    x = 128,311.61

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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.