Home / 331,620.95-497,382.84-163,095.96

Finding the Fourth Proportional to 331,620.95, 497,382.84 and 163,095.96

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Solution

The fourth proportional to 331,620.95, 497,382.84 and 163,095.96 is: 244,620.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,620.95 : 497,382.84 = 163,095.96 : x
  2. Step 2: Convert to fraction form
    331,620.95/497,382.84 = 163,095.96/x
  3. Step 3: Cross multiply
    331,620.95x = 497,382.84 × 163,095.96
  4. Step 4: Simplify right side
    331,620.95x = 81,121,130,961.85
  5. Step 5: Solve for x
    x = 81,121,130,961.85/331,620.95
  6. Step 6: Final answer
    x = 244,620.05

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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.