Home / 112,325.15-168,403.48-67,942.82

Finding the Fourth Proportional to 112,325.15, 168,403.48 and 67,942.82

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Solution

The fourth proportional to 112,325.15, 168,403.48 and 67,942.82 is: 101,863.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,325.15 : 168,403.48 = 67,942.82 : x
  2. Step 2: Convert to fraction form
    112,325.15/168,403.48 = 67,942.82/x
  3. Step 3: Cross multiply
    112,325.15x = 168,403.48 × 67,942.82
  4. Step 4: Simplify right side
    112,325.15x = 11,441,807,329.01
  5. Step 5: Solve for x
    x = 11,441,807,329.01/112,325.15
  6. Step 6: Final answer
    x = 101,863.27

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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.