Home / 236,630.89-326,550.45-129,200.92

Finding the Fourth Proportional to 236,630.89, 326,550.45 and 129,200.92

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Solution

The fourth proportional to 236,630.89, 326,550.45 and 129,200.92 is: 178,297.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,630.89 : 326,550.45 = 129,200.92 : x
  2. Step 2: Convert to fraction form
    236,630.89/326,550.45 = 129,200.92/x
  3. Step 3: Cross multiply
    236,630.89x = 326,550.45 × 129,200.92
  4. Step 4: Simplify right side
    236,630.89x = 42,190,618,566.41
  5. Step 5: Solve for x
    x = 42,190,618,566.41/236,630.89
  6. Step 6: Final answer
    x = 178,297.17

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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.