Home / 263,261.72-363,301.20-148,564.64

Finding the Fourth Proportional to 263,261.72, 363,301.20 and 148,564.64

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Solution

The fourth proportional to 263,261.72, 363,301.20 and 148,564.64 is: 205,019.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,261.72 : 363,301.20 = 148,564.64 : x
  2. Step 2: Convert to fraction form
    263,261.72/363,301.20 = 148,564.64/x
  3. Step 3: Cross multiply
    263,261.72x = 363,301.20 × 148,564.64
  4. Step 4: Simplify right side
    263,261.72x = 53,973,711,989.57
  5. Step 5: Solve for x
    x = 53,973,711,989.57/263,261.72
  6. Step 6: Final answer
    x = 205,019.22

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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.