Home / 120,935.19-181,340.57-54,318.16

Finding the Fourth Proportional to 120,935.19, 181,340.57 and 54,318.16

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Solution

The fourth proportional to 120,935.19, 181,340.57 and 54,318.16 is: 81,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,935.19 : 181,340.57 = 54,318.16 : x
  2. Step 2: Convert to fraction form
    120,935.19/181,340.57 = 54,318.16/x
  3. Step 3: Cross multiply
    120,935.19x = 181,340.57 × 54,318.16
  4. Step 4: Simplify right side
    120,935.19x = 9,850,086,458.22
  5. Step 5: Solve for x
    x = 9,850,086,458.22/120,935.19
  6. Step 6: Final answer
    x = 81,449.30

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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.