Home / 236,305.28-326,100.12-128,873.36

Finding the Fourth Proportional to 236,305.28, 326,100.12 and 128,873.36

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Solution

The fourth proportional to 236,305.28, 326,100.12 and 128,873.36 is: 177,844.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,305.28 : 326,100.12 = 128,873.36 : x
  2. Step 2: Convert to fraction form
    236,305.28/326,100.12 = 128,873.36/x
  3. Step 3: Cross multiply
    236,305.28x = 326,100.12 × 128,873.36
  4. Step 4: Simplify right side
    236,305.28x = 42,025,618,160.80
  5. Step 5: Solve for x
    x = 42,025,618,160.80/236,305.28
  6. Step 6: Final answer
    x = 177,844.60

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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.