Home / 177,190.72-265,786.08-121,618.24

Finding the Fourth Proportional to 177,190.72, 265,786.08 and 121,618.24

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Solution

The fourth proportional to 177,190.72, 265,786.08 and 121,618.24 is: 182,427.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,190.72 : 265,786.08 = 121,618.24 : x
  2. Step 2: Convert to fraction form
    177,190.72/265,786.08 = 121,618.24/x
  3. Step 3: Cross multiply
    177,190.72x = 265,786.08 × 121,618.24
  4. Step 4: Simplify right side
    177,190.72x = 32,324,435,266.10
  5. Step 5: Solve for x
    x = 32,324,435,266.10/177,190.72
  6. Step 6: Final answer
    x = 182,427.36

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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.