Home / 236,122.44-325,839.51-128,690.22

Finding the Fourth Proportional to 236,122.44, 325,839.51 and 128,690.22

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Solution

The fourth proportional to 236,122.44, 325,839.51 and 128,690.22 is: 177,587.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,122.44 : 325,839.51 = 128,690.22 : x
  2. Step 2: Convert to fraction form
    236,122.44/325,839.51 = 128,690.22/x
  3. Step 3: Cross multiply
    236,122.44x = 325,839.51 × 128,690.22
  4. Step 4: Simplify right side
    236,122.44x = 41,932,358,226.59
  5. Step 5: Solve for x
    x = 41,932,358,226.59/236,122.44
  6. Step 6: Final answer
    x = 177,587.35

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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.