Home / 236,077.83-325,777.92-128,645.56

Finding the Fourth Proportional to 236,077.83, 325,777.92 and 128,645.56

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Solution

The fourth proportional to 236,077.83, 325,777.92 and 128,645.56 is: 177,525.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,077.83 : 325,777.92 = 128,645.56 : x
  2. Step 2: Convert to fraction form
    236,077.83/325,777.92 = 128,645.56/x
  3. Step 3: Cross multiply
    236,077.83x = 325,777.92 × 128,645.56
  4. Step 4: Simplify right side
    236,077.83x = 41,909,882,139.59
  5. Step 5: Solve for x
    x = 41,909,882,139.59/236,077.83
  6. Step 6: Final answer
    x = 177,525.70

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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.