Home / 236,336.48-326,148.24-128,906.52

Finding the Fourth Proportional to 236,336.48, 326,148.24 and 128,906.52

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Solution

The fourth proportional to 236,336.48, 326,148.24 and 128,906.52 is: 177,893.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,336.48 : 326,148.24 = 128,906.52 : x
  2. Step 2: Convert to fraction form
    236,336.48/326,148.24 = 128,906.52/x
  3. Step 3: Cross multiply
    236,336.48x = 326,148.24 × 128,906.52
  4. Step 4: Simplify right side
    236,336.48x = 42,042,634,622.52
  5. Step 5: Solve for x
    x = 42,042,634,622.52/236,336.48
  6. Step 6: Final answer
    x = 177,893.12

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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.