Home / 100,708.05-151,031.20-33,227.63

Finding the Fourth Proportional to 100,708.05, 151,031.20 and 33,227.63

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Solution

The fourth proportional to 100,708.05, 151,031.20 and 33,227.63 is: 49,831.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,708.05 : 151,031.20 = 33,227.63 : x
  2. Step 2: Convert to fraction form
    100,708.05/151,031.20 = 33,227.63/x
  3. Step 3: Cross multiply
    100,708.05x = 151,031.20 × 33,227.63
  4. Step 4: Simplify right side
    100,708.05x = 5,018,408,832.06
  5. Step 5: Solve for x
    x = 5,018,408,832.06/100,708.05
  6. Step 6: Final answer
    x = 49,831.26

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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.