Home / 120,958.09-181,437.44-36,718.90

Finding the Fourth Proportional to 120,958.09, 181,437.44 and 36,718.90

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Solution

The fourth proportional to 120,958.09, 181,437.44 and 36,718.90 is: 55,078.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,958.09 : 181,437.44 = 36,718.90 : x
  2. Step 2: Convert to fraction form
    120,958.09/181,437.44 = 36,718.90/x
  3. Step 3: Cross multiply
    120,958.09x = 181,437.44 × 36,718.90
  4. Step 4: Simplify right side
    120,958.09x = 6,662,182,578.43
  5. Step 5: Solve for x
    x = 6,662,182,578.43/120,958.09
  6. Step 6: Final answer
    x = 55,078.44

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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.