Home / 194,319.68-268,162.08-109,438.24

Finding the Fourth Proportional to 194,319.68, 268,162.08 and 109,438.24

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Solution

The fourth proportional to 194,319.68, 268,162.08 and 109,438.24 is: 151,025.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,319.68 : 268,162.08 = 109,438.24 : x
  2. Step 2: Convert to fraction form
    194,319.68/268,162.08 = 109,438.24/x
  3. Step 3: Cross multiply
    194,319.68x = 268,162.08 × 109,438.24
  4. Step 4: Simplify right side
    194,319.68x = 29,347,186,069.94
  5. Step 5: Solve for x
    x = 29,347,186,069.94/194,319.68
  6. Step 6: Final answer
    x = 151,025.29

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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.