Home / 197,173.81-295,871.45-78,854.38

Finding the Fourth Proportional to 197,173.81, 295,871.45 and 78,854.38

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Solution

The fourth proportional to 197,173.81, 295,871.45 and 78,854.38 is: 118,325.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,173.81 : 295,871.45 = 78,854.38 : x
  2. Step 2: Convert to fraction form
    197,173.81/295,871.45 = 78,854.38/x
  3. Step 3: Cross multiply
    197,173.81x = 295,871.45 × 78,854.38
  4. Step 4: Simplify right side
    197,173.81x = 23,330,759,749.45
  5. Step 5: Solve for x
    x = 23,330,759,749.45/197,173.81
  6. Step 6: Final answer
    x = 118,325.86

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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.