Home / 236,172.54-325,917.18-128,742.24

Finding the Fourth Proportional to 236,172.54, 325,917.18 and 128,742.24

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Solution

The fourth proportional to 236,172.54, 325,917.18 and 128,742.24 is: 177,663.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,172.54 : 325,917.18 = 128,742.24 : x
  2. Step 2: Convert to fraction form
    236,172.54/325,917.18 = 128,742.24/x
  3. Step 3: Cross multiply
    236,172.54x = 325,917.18 × 128,742.24
  4. Step 4: Simplify right side
    236,172.54x = 41,959,307,807.68
  5. Step 5: Solve for x
    x = 41,959,307,807.68/236,172.54
  6. Step 6: Final answer
    x = 177,663.79

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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.