Home / 236,111.39-325,824.24-128,679.12

Finding the Fourth Proportional to 236,111.39, 325,824.24 and 128,679.12

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Solution

The fourth proportional to 236,111.39, 325,824.24 and 128,679.12 is: 177,572.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,111.39 : 325,824.24 = 128,679.12 : x
  2. Step 2: Convert to fraction form
    236,111.39/325,824.24 = 128,679.12/x
  3. Step 3: Cross multiply
    236,111.39x = 325,824.24 × 128,679.12
  4. Step 4: Simplify right side
    236,111.39x = 41,926,776,236.60
  5. Step 5: Solve for x
    x = 41,926,776,236.60/236,111.39
  6. Step 6: Final answer
    x = 177,572.02

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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.