Home / 194,528.09-268,450.80-109,645.15

Finding the Fourth Proportional to 194,528.09, 268,450.80 and 109,645.15

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Solution

The fourth proportional to 194,528.09, 268,450.80 and 109,645.15 is: 151,311.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,528.09 : 268,450.80 = 109,645.15 : x
  2. Step 2: Convert to fraction form
    194,528.09/268,450.80 = 109,645.15/x
  3. Step 3: Cross multiply
    194,528.09x = 268,450.80 × 109,645.15
  4. Step 4: Simplify right side
    194,528.09x = 29,434,328,233.62
  5. Step 5: Solve for x
    x = 29,434,328,233.62/194,528.09
  6. Step 6: Final answer
    x = 151,311.45

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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.