Home / 194,372.48-291,383.76-69,684.32

Finding the Fourth Proportional to 194,372.48, 291,383.76 and 69,684.32

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Solution

The fourth proportional to 194,372.48, 291,383.76 and 69,684.32 is: 104,463.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,372.48 : 291,383.76 = 69,684.32 : x
  2. Step 2: Convert to fraction form
    194,372.48/291,383.76 = 69,684.32/x
  3. Step 3: Cross multiply
    194,372.48x = 291,383.76 × 69,684.32
  4. Step 4: Simplify right side
    194,372.48x = 20,304,879,174.64
  5. Step 5: Solve for x
    x = 20,304,879,174.64/194,372.48
  6. Step 6: Final answer
    x = 104,463.76

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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.