Home / 120,990.08-166,969.92-73,252.16

Finding the Fourth Proportional to 120,990.08, 166,969.92 and 73,252.16

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Solution

The fourth proportional to 120,990.08, 166,969.92 and 73,252.16 is: 101,090.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,990.08 : 166,969.92 = 73,252.16 : x
  2. Step 2: Convert to fraction form
    120,990.08/166,969.92 = 73,252.16/x
  3. Step 3: Cross multiply
    120,990.08x = 166,969.92 × 73,252.16
  4. Step 4: Simplify right side
    120,990.08x = 12,230,907,295.03
  5. Step 5: Solve for x
    x = 12,230,907,295.03/120,990.08
  6. Step 6: Final answer
    x = 101,090.17

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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.