Home / 144,450.12-199,359.96-80,801.12

Finding the Fourth Proportional to 144,450.12, 199,359.96 and 80,801.12

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Solution

The fourth proportional to 144,450.12, 199,359.96 and 80,801.12 is: 111,516.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,450.12 : 199,359.96 = 80,801.12 : x
  2. Step 2: Convert to fraction form
    144,450.12/199,359.96 = 80,801.12/x
  3. Step 3: Cross multiply
    144,450.12x = 199,359.96 × 80,801.12
  4. Step 4: Simplify right side
    144,450.12x = 16,108,508,051.16
  5. Step 5: Solve for x
    x = 16,108,508,051.16/144,450.12
  6. Step 6: Final answer
    x = 111,516.06

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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.