Home / 236,338.06-326,150.37-128,908.07

Finding the Fourth Proportional to 236,338.06, 326,150.37 and 128,908.07

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Solution

The fourth proportional to 236,338.06, 326,150.37 and 128,908.07 is: 177,895.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,338.06 : 326,150.37 = 128,908.07 : x
  2. Step 2: Convert to fraction form
    236,338.06/326,150.37 = 128,908.07/x
  3. Step 3: Cross multiply
    236,338.06x = 326,150.37 × 128,908.07
  4. Step 4: Simplify right side
    236,338.06x = 42,043,414,726.49
  5. Step 5: Solve for x
    x = 42,043,414,726.49/236,338.06
  6. Step 6: Final answer
    x = 177,895.24

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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.