Home / 236,295.54-326,078.01-128,863.62

Finding the Fourth Proportional to 236,295.54, 326,078.01 and 128,863.62

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Solution

The fourth proportional to 236,295.54, 326,078.01 and 128,863.62 is: 177,826.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,295.54 : 326,078.01 = 128,863.62 : x
  2. Step 2: Convert to fraction form
    236,295.54/326,078.01 = 128,863.62/x
  3. Step 3: Cross multiply
    236,295.54x = 326,078.01 × 128,863.62
  4. Step 4: Simplify right side
    236,295.54x = 42,019,592,771.00
  5. Step 5: Solve for x
    x = 42,019,592,771.00/236,295.54
  6. Step 6: Final answer
    x = 177,826.43

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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.