Home / 209,051.91-288,457.44-123,083.33

Finding the Fourth Proportional to 209,051.91, 288,457.44 and 123,083.33

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Solution

The fourth proportional to 209,051.91, 288,457.44 and 123,083.33 is: 169,834.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,051.91 : 288,457.44 = 123,083.33 : x
  2. Step 2: Convert to fraction form
    209,051.91/288,457.44 = 123,083.33/x
  3. Step 3: Cross multiply
    209,051.91x = 288,457.44 × 123,083.33
  4. Step 4: Simplify right side
    209,051.91x = 35,504,303,733.39
  5. Step 5: Solve for x
    x = 35,504,303,733.39/209,051.91
  6. Step 6: Final answer
    x = 169,834.87

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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.