Home / 236,161.62-325,896.54-128,733.76

Finding the Fourth Proportional to 236,161.62, 325,896.54 and 128,733.76

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Solution

The fourth proportional to 236,161.62, 325,896.54 and 128,733.76 is: 177,649.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,161.62 : 325,896.54 = 128,733.76 : x
  2. Step 2: Convert to fraction form
    236,161.62/325,896.54 = 128,733.76/x
  3. Step 3: Cross multiply
    236,161.62x = 325,896.54 × 128,733.76
  4. Step 4: Simplify right side
    236,161.62x = 41,953,886,965.19
  5. Step 5: Solve for x
    x = 41,953,886,965.19/236,161.62
  6. Step 6: Final answer
    x = 177,649.05

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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.