Home / 194,463.13-291,743.90-54,221.75

Finding the Fourth Proportional to 194,463.13, 291,743.90 and 54,221.75

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Solution

The fourth proportional to 194,463.13, 291,743.90 and 54,221.75 is: 81,346.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,463.13 : 291,743.90 = 54,221.75 : x
  2. Step 2: Convert to fraction form
    194,463.13/291,743.90 = 54,221.75/x
  3. Step 3: Cross multiply
    194,463.13x = 291,743.90 × 54,221.75
  4. Step 4: Simplify right side
    194,463.13x = 15,818,864,809.83
  5. Step 5: Solve for x
    x = 15,818,864,809.83/194,463.13
  6. Step 6: Final answer
    x = 81,346.34

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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.