Home / 126,942.81-175,181.22-70,354.23

Finding the Fourth Proportional to 126,942.81, 175,181.22 and 70,354.23

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Solution

The fourth proportional to 126,942.81, 175,181.22 and 70,354.23 is: 97,088.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,942.81 : 175,181.22 = 70,354.23 : x
  2. Step 2: Convert to fraction form
    126,942.81/175,181.22 = 70,354.23/x
  3. Step 3: Cross multiply
    126,942.81x = 175,181.22 × 70,354.23
  4. Step 4: Simplify right side
    126,942.81x = 12,324,739,843.56
  5. Step 5: Solve for x
    x = 12,324,739,843.56/126,942.81
  6. Step 6: Final answer
    x = 97,088.92

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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.