Home / 236,336.10-326,147.71-128,906.14

Finding the Fourth Proportional to 236,336.10, 326,147.71 and 128,906.14

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Solution

The fourth proportional to 236,336.10, 326,147.71 and 128,906.14 is: 177,892.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,336.10 : 326,147.71 = 128,906.14 : x
  2. Step 2: Convert to fraction form
    236,336.10/326,147.71 = 128,906.14/x
  3. Step 3: Cross multiply
    236,336.10x = 326,147.71 × 128,906.14
  4. Step 4: Simplify right side
    236,336.10x = 42,042,442,365.94
  5. Step 5: Solve for x
    x = 42,042,442,365.94/236,336.10
  6. Step 6: Final answer
    x = 177,892.60

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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.