Home / 194,253.66-268,082.37-117,780.08

Finding the Fourth Proportional to 194,253.66, 268,082.37 and 117,780.08

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Solution

The fourth proportional to 194,253.66, 268,082.37 and 117,780.08 is: 162,543.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,253.66 : 268,082.37 = 117,780.08 : x
  2. Step 2: Convert to fraction form
    194,253.66/268,082.37 = 117,780.08/x
  3. Step 3: Cross multiply
    194,253.66x = 268,082.37 × 117,780.08
  4. Step 4: Simplify right side
    194,253.66x = 31,574,761,644.78
  5. Step 5: Solve for x
    x = 31,574,761,644.78/194,253.66
  6. Step 6: Final answer
    x = 162,543.97

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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.