Home / 126,731.84-174,895.46-70,143.20

Finding the Fourth Proportional to 126,731.84, 174,895.46 and 70,143.20

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Solution

The fourth proportional to 126,731.84, 174,895.46 and 70,143.20 is: 96,800.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,731.84 : 174,895.46 = 70,143.20 : x
  2. Step 2: Convert to fraction form
    126,731.84/174,895.46 = 70,143.20/x
  3. Step 3: Cross multiply
    126,731.84x = 174,895.46 × 70,143.20
  4. Step 4: Simplify right side
    126,731.84x = 12,267,726,004.68
  5. Step 5: Solve for x
    x = 12,267,726,004.68/126,731.84
  6. Step 6: Final answer
    x = 96,800.67

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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.