Home / 120,943.37-166,903.83-66,497.82

Finding the Fourth Proportional to 120,943.37, 166,903.83 and 66,497.82

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Solution

The fourth proportional to 120,943.37, 166,903.83 and 66,497.82 is: 91,768.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,943.37 : 166,903.83 = 66,497.82 : x
  2. Step 2: Convert to fraction form
    120,943.37/166,903.83 = 66,497.82/x
  3. Step 3: Cross multiply
    120,943.37x = 166,903.83 × 66,497.82
  4. Step 4: Simplify right side
    120,943.37x = 11,098,740,844.65
  5. Step 5: Solve for x
    x = 11,098,740,844.65/120,943.37
  6. Step 6: Final answer
    x = 91,768.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.