Home / 100,072.44-150,280.43-88,853.13

Finding the Fourth Proportional to 100,072.44, 150,280.43 and 88,853.13

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Solution

The fourth proportional to 100,072.44, 150,280.43 and 88,853.13 is: 133,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,072.44 : 150,280.43 = 88,853.13 : x
  2. Step 2: Convert to fraction form
    100,072.44/150,280.43 = 88,853.13/x
  3. Step 3: Cross multiply
    100,072.44x = 150,280.43 × 88,853.13
  4. Step 4: Simplify right side
    100,072.44x = 13,352,886,138.98
  5. Step 5: Solve for x
    x = 13,352,886,138.98/100,072.44
  6. Step 6: Final answer
    x = 133,432.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.