Home / 161,304.72-241,799.40-72,580.56

Finding the Fourth Proportional to 161,304.72, 241,799.40 and 72,580.56

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Solution

The fourth proportional to 161,304.72, 241,799.40 and 72,580.56 is: 108,799.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,304.72 : 241,799.40 = 72,580.56 : x
  2. Step 2: Convert to fraction form
    161,304.72/241,799.40 = 72,580.56/x
  3. Step 3: Cross multiply
    161,304.72x = 241,799.40 × 72,580.56
  4. Step 4: Simplify right side
    161,304.72x = 17,549,935,859.66
  5. Step 5: Solve for x
    x = 17,549,935,859.66/161,304.72
  6. Step 6: Final answer
    x = 108,799.89

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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.