Home / 169,613.80-234,033.06-109,089.64

Finding the Fourth Proportional to 169,613.80, 234,033.06 and 109,089.64

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Solution

The fourth proportional to 169,613.80, 234,033.06 and 109,089.64 is: 150,521.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,613.80 : 234,033.06 = 109,089.64 : x
  2. Step 2: Convert to fraction form
    169,613.80/234,033.06 = 109,089.64/x
  3. Step 3: Cross multiply
    169,613.80x = 234,033.06 × 109,089.64
  4. Step 4: Simplify right side
    169,613.80x = 25,530,582,263.50
  5. Step 5: Solve for x
    x = 25,530,582,263.50/169,613.80
  6. Step 6: Final answer
    x = 150,521.85

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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.