Home / 194,319.41-291,518.39-81,999.88

Finding the Fourth Proportional to 194,319.41, 291,518.39 and 81,999.88

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Solution

The fourth proportional to 194,319.41, 291,518.39 and 81,999.88 is: 123,016.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,319.41 : 291,518.39 = 81,999.88 : x
  2. Step 2: Convert to fraction form
    194,319.41/291,518.39 = 81,999.88/x
  3. Step 3: Cross multiply
    194,319.41x = 291,518.39 × 81,999.88
  4. Step 4: Simplify right side
    194,319.41x = 23,904,472,474.00
  5. Step 5: Solve for x
    x = 23,904,472,474.00/194,319.41
  6. Step 6: Final answer
    x = 123,016.39

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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.