Home / 176,003.20-263,236.80-157,417.60

Finding the Fourth Proportional to 176,003.20, 263,236.80 and 157,417.60

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Solution

The fourth proportional to 176,003.20, 263,236.80 and 157,417.60 is: 235,439.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,003.20 : 263,236.80 = 157,417.60 : x
  2. Step 2: Convert to fraction form
    176,003.20/263,236.80 = 157,417.60/x
  3. Step 3: Cross multiply
    176,003.20x = 263,236.80 × 157,417.60
  4. Step 4: Simplify right side
    176,003.20x = 41,438,105,287.68
  5. Step 5: Solve for x
    x = 41,438,105,287.68/176,003.20
  6. Step 6: Final answer
    x = 235,439.50

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1.5x scale

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.