Home / 236,162.38-325,897.58-128,734.50

Finding the Fourth Proportional to 236,162.38, 325,897.58 and 128,734.50

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Solution

The fourth proportional to 236,162.38, 325,897.58 and 128,734.50 is: 177,650.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,162.38 : 325,897.58 = 128,734.50 : x
  2. Step 2: Convert to fraction form
    236,162.38/325,897.58 = 128,734.50/x
  3. Step 3: Cross multiply
    236,162.38x = 325,897.58 × 128,734.50
  4. Step 4: Simplify right side
    236,162.38x = 41,954,262,012.51
  5. Step 5: Solve for x
    x = 41,954,262,012.51/236,162.38
  6. Step 6: Final answer
    x = 177,650.06

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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.