Home / 194,123.36-291,210.66-67,765.88

Finding the Fourth Proportional to 194,123.36, 291,210.66 and 67,765.88

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Solution

The fourth proportional to 194,123.36, 291,210.66 and 67,765.88 is: 101,657.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,123.36 : 291,210.66 = 67,765.88 : x
  2. Step 2: Convert to fraction form
    194,123.36/291,210.66 = 67,765.88/x
  3. Step 3: Cross multiply
    194,123.36x = 291,210.66 × 67,765.88
  4. Step 4: Simplify right side
    194,123.36x = 19,734,146,640.28
  5. Step 5: Solve for x
    x = 19,734,146,640.28/194,123.36
  6. Step 6: Final answer
    x = 101,657.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.