Home / 236,299.28-326,091.84-128,867.36

Finding the Fourth Proportional to 236,299.28, 326,091.84 and 128,867.36

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Solution

The fourth proportional to 236,299.28, 326,091.84 and 128,867.36 is: 177,836.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,299.28 : 326,091.84 = 128,867.36 : x
  2. Step 2: Convert to fraction form
    236,299.28/326,091.84 = 128,867.36/x
  3. Step 3: Cross multiply
    236,299.28x = 326,091.84 × 128,867.36
  4. Step 4: Simplify right side
    236,299.28x = 42,022,594,538.34
  5. Step 5: Solve for x
    x = 42,022,594,538.34/236,299.28
  6. Step 6: Final answer
    x = 177,836.32

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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.