Home / 102,002.22-153,003.12-27,122.37

Finding the Fourth Proportional to 102,002.22, 153,003.12 and 27,122.37

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Solution

The fourth proportional to 102,002.22, 153,003.12 and 27,122.37 is: 40,683.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,002.22 : 153,003.12 = 27,122.37 : x
  2. Step 2: Convert to fraction form
    102,002.22/153,003.12 = 27,122.37/x
  3. Step 3: Cross multiply
    102,002.22x = 153,003.12 × 27,122.37
  4. Step 4: Simplify right side
    102,002.22x = 4,149,807,231.79
  5. Step 5: Solve for x
    x = 4,149,807,231.79/102,002.22
  6. Step 6: Final answer
    x = 40,683.50

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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.