Home / 126,343.05-174,353.43-69,754.42

Finding the Fourth Proportional to 126,343.05, 174,353.43 and 69,754.42

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Solution

The fourth proportional to 126,343.05, 174,353.43 and 69,754.42 is: 96,261.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,343.05 : 174,353.43 = 69,754.42 : x
  2. Step 2: Convert to fraction form
    126,343.05/174,353.43 = 69,754.42/x
  3. Step 3: Cross multiply
    126,343.05x = 174,353.43 × 69,754.42
  4. Step 4: Simplify right side
    126,343.05x = 12,161,922,384.66
  5. Step 5: Solve for x
    x = 12,161,922,384.66/126,343.05
  6. Step 6: Final answer
    x = 96,261.11

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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.