Home / 194,720.64-268,718.40-114,209.76

Finding the Fourth Proportional to 194,720.64, 268,718.40 and 114,209.76

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Solution

The fourth proportional to 194,720.64, 268,718.40 and 114,209.76 is: 157,611.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,720.64 : 268,718.40 = 114,209.76 : x
  2. Step 2: Convert to fraction form
    194,720.64/268,718.40 = 114,209.76/x
  3. Step 3: Cross multiply
    194,720.64x = 268,718.40 × 114,209.76
  4. Step 4: Simplify right side
    194,720.64x = 30,690,263,971.58
  5. Step 5: Solve for x
    x = 30,690,263,971.58/194,720.64
  6. Step 6: Final answer
    x = 157,611.77

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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.