Home / 120,806.24-181,024.56-50,647.28

Finding the Fourth Proportional to 120,806.24, 181,024.56 and 50,647.28

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Solution

The fourth proportional to 120,806.24, 181,024.56 and 50,647.28 is: 75,893.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,806.24 : 181,024.56 = 50,647.28 : x
  2. Step 2: Convert to fraction form
    120,806.24/181,024.56 = 50,647.28/x
  3. Step 3: Cross multiply
    120,806.24x = 181,024.56 × 50,647.28
  4. Step 4: Simplify right side
    120,806.24x = 9,168,401,577.20
  5. Step 5: Solve for x
    x = 9,168,401,577.20/120,806.24
  6. Step 6: Final answer
    x = 75,893.44

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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.