Home / 169,067.16-253,603.17-80,329.77

Finding the Fourth Proportional to 169,067.16, 253,603.17 and 80,329.77

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Solution

The fourth proportional to 169,067.16, 253,603.17 and 80,329.77 is: 120,495.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,067.16 : 253,603.17 = 80,329.77 : x
  2. Step 2: Convert to fraction form
    169,067.16/253,603.17 = 80,329.77/x
  3. Step 3: Cross multiply
    169,067.16x = 253,603.17 × 80,329.77
  4. Step 4: Simplify right side
    169,067.16x = 20,371,884,317.37
  5. Step 5: Solve for x
    x = 20,371,884,317.37/169,067.16
  6. Step 6: Final answer
    x = 120,495.81

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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.