Home / 126,633.62-174,681.42-80,608.16

Finding the Fourth Proportional to 126,633.62, 174,681.42 and 80,608.16

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Solution

The fourth proportional to 126,633.62, 174,681.42 and 80,608.16 is: 111,192.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,633.62 : 174,681.42 = 80,608.16 : x
  2. Step 2: Convert to fraction form
    126,633.62/174,681.42 = 80,608.16/x
  3. Step 3: Cross multiply
    126,633.62x = 174,681.42 × 80,608.16
  4. Step 4: Simplify right side
    126,633.62x = 14,080,747,852.39
  5. Step 5: Solve for x
    x = 14,080,747,852.39/126,633.62
  6. Step 6: Final answer
    x = 111,192.81

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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.