Home / 150,167.98-207,211.34-89,725.86

Finding the Fourth Proportional to 150,167.98, 207,211.34 and 89,725.86

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Solution

The fourth proportional to 150,167.98, 207,211.34 and 89,725.86 is: 123,809.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,167.98 : 207,211.34 = 89,725.86 : x
  2. Step 2: Convert to fraction form
    150,167.98/207,211.34 = 89,725.86/x
  3. Step 3: Cross multiply
    150,167.98x = 207,211.34 × 89,725.86
  4. Step 4: Simplify right side
    150,167.98x = 18,592,215,683.25
  5. Step 5: Solve for x
    x = 18,592,215,683.25/150,167.98
  6. Step 6: Final answer
    x = 123,809.45

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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.