Home / 235,926.72-325,577.21-128,496.42

Finding the Fourth Proportional to 235,926.72, 325,577.21 and 128,496.42

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Solution

The fourth proportional to 235,926.72, 325,577.21 and 128,496.42 is: 177,324.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,926.72 : 325,577.21 = 128,496.42 : x
  2. Step 2: Convert to fraction form
    235,926.72/325,577.21 = 128,496.42/x
  3. Step 3: Cross multiply
    235,926.72x = 325,577.21 × 128,496.42
  4. Step 4: Simplify right side
    235,926.72x = 41,835,505,276.11
  5. Step 5: Solve for x
    x = 41,835,505,276.11/235,926.72
  6. Step 6: Final answer
    x = 177,324.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.