Home / 235,849.44-325,468.01-128,417.52

Finding the Fourth Proportional to 235,849.44, 325,468.01 and 128,417.52

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Solution

The fourth proportional to 235,849.44, 325,468.01 and 128,417.52 is: 177,213.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,849.44 : 325,468.01 = 128,417.52 : x
  2. Step 2: Convert to fraction form
    235,849.44/325,468.01 = 128,417.52/x
  3. Step 3: Cross multiply
    235,849.44x = 325,468.01 × 128,417.52
  4. Step 4: Simplify right side
    235,849.44x = 41,795,795,004.58
  5. Step 5: Solve for x
    x = 41,795,795,004.58/235,849.44
  6. Step 6: Final answer
    x = 177,213.88

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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.