Home / 197,106.62-295,881.06-78,860.39

Finding the Fourth Proportional to 197,106.62, 295,881.06 and 78,860.39

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Solution

The fourth proportional to 197,106.62, 295,881.06 and 78,860.39 is: 118,379.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,106.62 : 295,881.06 = 78,860.39 : x
  2. Step 2: Convert to fraction form
    197,106.62/295,881.06 = 78,860.39/x
  3. Step 3: Cross multiply
    197,106.62x = 295,881.06 × 78,860.39
  4. Step 4: Simplify right side
    197,106.62x = 23,333,295,785.21
  5. Step 5: Solve for x
    x = 23,333,295,785.21/197,106.62
  6. Step 6: Final answer
    x = 118,379.06

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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.