Home / 120,549.36-180,821.64-37,443.12

Finding the Fourth Proportional to 120,549.36, 180,821.64 and 37,443.12

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Solution

The fourth proportional to 120,549.36, 180,821.64 and 37,443.12 is: 56,163.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,549.36 : 180,821.64 = 37,443.12 : x
  2. Step 2: Convert to fraction form
    120,549.36/180,821.64 = 37,443.12/x
  3. Step 3: Cross multiply
    120,549.36x = 180,821.64 × 37,443.12
  4. Step 4: Simplify right side
    120,549.36x = 6,770,526,365.12
  5. Step 5: Solve for x
    x = 6,770,526,365.12/120,549.36
  6. Step 6: Final answer
    x = 56,163.93

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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.