Home / 241,258.80-361,890.79-72,780.58

Finding the Fourth Proportional to 241,258.80, 361,890.79 and 72,780.58

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Solution

The fourth proportional to 241,258.80, 361,890.79 and 72,780.58 is: 109,171.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,258.80 : 361,890.79 = 72,780.58 : x
  2. Step 2: Convert to fraction form
    241,258.80/361,890.79 = 72,780.58/x
  3. Step 3: Cross multiply
    241,258.80x = 361,890.79 × 72,780.58
  4. Step 4: Simplify right side
    241,258.80x = 26,338,623,035.67
  5. Step 5: Solve for x
    x = 26,338,623,035.67/241,258.80
  6. Step 6: Final answer
    x = 109,171.66

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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.