Home / 126,270.84-174,253.56-69,682.20

Finding the Fourth Proportional to 126,270.84, 174,253.56 and 69,682.20

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Solution

The fourth proportional to 126,270.84, 174,253.56 and 69,682.20 is: 96,161.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,270.84 : 174,253.56 = 69,682.20 : x
  2. Step 2: Convert to fraction form
    126,270.84/174,253.56 = 69,682.20/x
  3. Step 3: Cross multiply
    126,270.84x = 174,253.56 × 69,682.20
  4. Step 4: Simplify right side
    126,270.84x = 12,142,371,418.63
  5. Step 5: Solve for x
    x = 12,142,371,418.63/126,270.84
  6. Step 6: Final answer
    x = 96,161.33

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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.