Home / 112,223.16-154,958.94-107,149.32

Finding the Fourth Proportional to 112,223.16, 154,958.94 and 107,149.32

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Solution

The fourth proportional to 112,223.16, 154,958.94 and 107,149.32 is: 147,952.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,223.16 : 154,958.94 = 107,149.32 : x
  2. Step 2: Convert to fraction form
    112,223.16/154,958.94 = 107,149.32/x
  3. Step 3: Cross multiply
    112,223.16x = 154,958.94 × 107,149.32
  4. Step 4: Simplify right side
    112,223.16x = 16,603,745,048.92
  5. Step 5: Solve for x
    x = 16,603,745,048.92/112,223.16
  6. Step 6: Final answer
    x = 147,952.93

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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.