Home / 236,077.68-325,782.96-128,648.58

Finding the Fourth Proportional to 236,077.68, 325,782.96 and 128,648.58

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Solution

The fourth proportional to 236,077.68, 325,782.96 and 128,648.58 is: 177,532.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,077.68 : 325,782.96 = 128,648.58 : x
  2. Step 2: Convert to fraction form
    236,077.68/325,782.96 = 128,648.58/x
  3. Step 3: Cross multiply
    236,077.68x = 325,782.96 × 128,648.58
  4. Step 4: Simplify right side
    236,077.68x = 41,911,515,192.20
  5. Step 5: Solve for x
    x = 41,911,515,192.20/236,077.68
  6. Step 6: Final answer
    x = 177,532.73

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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.