Home / 149,194.41-205,888.28-82,126.41

Finding the Fourth Proportional to 149,194.41, 205,888.28 and 82,126.41

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Solution

The fourth proportional to 149,194.41, 205,888.28 and 82,126.41 is: 113,334.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,194.41 : 205,888.28 = 82,126.41 : x
  2. Step 2: Convert to fraction form
    149,194.41/205,888.28 = 82,126.41/x
  3. Step 3: Cross multiply
    149,194.41x = 205,888.28 × 82,126.41
  4. Step 4: Simplify right side
    149,194.41x = 16,908,864,576.72
  5. Step 5: Solve for x
    x = 16,908,864,576.72/149,194.41
  6. Step 6: Final answer
    x = 113,334.44

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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.