Home / 236,739.24-326,698.21-129,309.34

Finding the Fourth Proportional to 236,739.24, 326,698.21 and 129,309.34

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Solution

The fourth proportional to 236,739.24, 326,698.21 and 129,309.34 is: 178,445.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,739.24 : 326,698.21 = 129,309.34 : x
  2. Step 2: Convert to fraction form
    236,739.24/326,698.21 = 129,309.34/x
  3. Step 3: Cross multiply
    236,739.24x = 326,698.21 × 129,309.34
  4. Step 4: Simplify right side
    236,739.24x = 42,245,129,914.28
  5. Step 5: Solve for x
    x = 42,245,129,914.28/236,739.24
  6. Step 6: Final answer
    x = 178,445.83

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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.