Home / 126,172.01-174,117.53-68,811.42

Finding the Fourth Proportional to 126,172.01, 174,117.53 and 68,811.42

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Solution

The fourth proportional to 126,172.01, 174,117.53 and 68,811.42 is: 94,959.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,172.01 : 174,117.53 = 68,811.42 : x
  2. Step 2: Convert to fraction form
    126,172.01/174,117.53 = 68,811.42/x
  3. Step 3: Cross multiply
    126,172.01x = 174,117.53 × 68,811.42
  4. Step 4: Simplify right side
    126,172.01x = 11,981,274,142.14
  5. Step 5: Solve for x
    x = 11,981,274,142.14/126,172.01
  6. Step 6: Final answer
    x = 94,959.85

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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.