Home / 194,605.32-268,555.21-105,181.32

Finding the Fourth Proportional to 194,605.32, 268,555.21 and 105,181.32

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Solution

The fourth proportional to 194,605.32, 268,555.21 and 105,181.32 is: 145,150.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,605.32 : 268,555.21 = 105,181.32 : x
  2. Step 2: Convert to fraction form
    194,605.32/268,555.21 = 105,181.32/x
  3. Step 3: Cross multiply
    194,605.32x = 268,555.21 × 105,181.32
  4. Step 4: Simplify right side
    194,605.32x = 28,246,991,480.68
  5. Step 5: Solve for x
    x = 28,246,991,480.68/194,605.32
  6. Step 6: Final answer
    x = 145,150.15

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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.