Home / 219,430.62-329,157.27-69,682.59

Finding the Fourth Proportional to 219,430.62, 329,157.27 and 69,682.59

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Solution

The fourth proportional to 219,430.62, 329,157.27 and 69,682.59 is: 104,527.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,430.62 : 329,157.27 = 69,682.59 : x
  2. Step 2: Convert to fraction form
    219,430.62/329,157.27 = 69,682.59/x
  3. Step 3: Cross multiply
    219,430.62x = 329,157.27 × 69,682.59
  4. Step 4: Simplify right side
    219,430.62x = 22,936,531,090.93
  5. Step 5: Solve for x
    x = 22,936,531,090.93/219,430.62
  6. Step 6: Final answer
    x = 104,527.49

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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.