Home / 150,722.46-207,998.37-87,058.80

Finding the Fourth Proportional to 150,722.46, 207,998.37 and 87,058.80

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Solution

The fourth proportional to 150,722.46, 207,998.37 and 87,058.80 is: 120,141.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,722.46 : 207,998.37 = 87,058.80 : x
  2. Step 2: Convert to fraction form
    150,722.46/207,998.37 = 87,058.80/x
  3. Step 3: Cross multiply
    150,722.46x = 207,998.37 × 87,058.80
  4. Step 4: Simplify right side
    150,722.46x = 18,108,088,494.16
  5. Step 5: Solve for x
    x = 18,108,088,494.16/150,722.46
  6. Step 6: Final answer
    x = 120,141.94

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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.