Home / 194,210.32-268,015.20-109,330.36

Finding the Fourth Proportional to 194,210.32, 268,015.20 and 109,330.36

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Solution

The fourth proportional to 194,210.32, 268,015.20 and 109,330.36 is: 150,878.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,210.32 : 268,015.20 = 109,330.36 : x
  2. Step 2: Convert to fraction form
    194,210.32/268,015.20 = 109,330.36/x
  3. Step 3: Cross multiply
    194,210.32x = 268,015.20 × 109,330.36
  4. Step 4: Simplify right side
    194,210.32x = 29,302,198,301.47
  5. Step 5: Solve for x
    x = 29,302,198,301.47/194,210.32
  6. Step 6: Final answer
    x = 150,878.69

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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.