Home / 235,738.41-325,320.36-128,308.19

Finding the Fourth Proportional to 235,738.41, 325,320.36 and 128,308.19

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Solution

The fourth proportional to 235,738.41, 325,320.36 and 128,308.19 is: 177,066.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,738.41 : 325,320.36 = 128,308.19 : x
  2. Step 2: Convert to fraction form
    235,738.41/325,320.36 = 128,308.19/x
  3. Step 3: Cross multiply
    235,738.41x = 325,320.36 × 128,308.19
  4. Step 4: Simplify right side
    235,738.41x = 41,741,266,561.75
  5. Step 5: Solve for x
    x = 41,741,266,561.75/235,738.41
  6. Step 6: Final answer
    x = 177,066.04

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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.