Home / 236,630.24-326,550.30-129,200.30

Finding the Fourth Proportional to 236,630.24, 326,550.30 and 129,200.30

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Solution

The fourth proportional to 236,630.24, 326,550.30 and 129,200.30 is: 178,296.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,630.24 : 326,550.30 = 129,200.30 : x
  2. Step 2: Convert to fraction form
    236,630.24/326,550.30 = 129,200.30/x
  3. Step 3: Cross multiply
    236,630.24x = 326,550.30 × 129,200.30
  4. Step 4: Simplify right side
    236,630.24x = 42,190,396,725.09
  5. Step 5: Solve for x
    x = 42,190,396,725.09/236,630.24
  6. Step 6: Final answer
    x = 178,296.72

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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.