Home / 236,081.33-325,782.75-128,649.06

Finding the Fourth Proportional to 236,081.33, 325,782.75 and 128,649.06

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Solution

The fourth proportional to 236,081.33, 325,782.75 and 128,649.06 is: 177,530.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,081.33 : 325,782.75 = 128,649.06 : x
  2. Step 2: Convert to fraction form
    236,081.33/325,782.75 = 128,649.06/x
  3. Step 3: Cross multiply
    236,081.33x = 325,782.75 × 128,649.06
  4. Step 4: Simplify right side
    236,081.33x = 41,911,644,551.72
  5. Step 5: Solve for x
    x = 41,911,644,551.72/236,081.33
  6. Step 6: Final answer
    x = 177,530.53

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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.