Home / 236,336.60-326,148.40-128,906.64

Finding the Fourth Proportional to 236,336.60, 326,148.40 and 128,906.64

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Solution

The fourth proportional to 236,336.60, 326,148.40 and 128,906.64 is: 177,893.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,336.60 : 326,148.40 = 128,906.64 : x
  2. Step 2: Convert to fraction form
    236,336.60/326,148.40 = 128,906.64/x
  3. Step 3: Cross multiply
    236,336.60x = 326,148.40 × 128,906.64
  4. Step 4: Simplify right side
    236,336.60x = 42,042,694,385.38
  5. Step 5: Solve for x
    x = 42,042,694,385.38/236,336.60
  6. Step 6: Final answer
    x = 177,893.29

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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.