Home / 177,229.31-265,736.86-70,629.66

Finding the Fourth Proportional to 177,229.31, 265,736.86 and 70,629.66

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Solution

The fourth proportional to 177,229.31, 265,736.86 and 70,629.66 is: 105,901.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,229.31 : 265,736.86 = 70,629.66 : x
  2. Step 2: Convert to fraction form
    177,229.31/265,736.86 = 70,629.66/x
  3. Step 3: Cross multiply
    177,229.31x = 265,736.86 × 70,629.66
  4. Step 4: Simplify right side
    177,229.31x = 18,768,903,894.69
  5. Step 5: Solve for x
    x = 18,768,903,894.69/177,229.31
  6. Step 6: Final answer
    x = 105,901.81

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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.