Home / 197,112.10-295,603.35-72,436.90

Finding the Fourth Proportional to 197,112.10, 295,603.35 and 72,436.90

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Solution

The fourth proportional to 197,112.10, 295,603.35 and 72,436.90 is: 108,631.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,112.10 : 295,603.35 = 72,436.90 : x
  2. Step 2: Convert to fraction form
    197,112.10/295,603.35 = 72,436.90/x
  3. Step 3: Cross multiply
    197,112.10x = 295,603.35 × 72,436.90
  4. Step 4: Simplify right side
    197,112.10x = 21,412,590,303.62
  5. Step 5: Solve for x
    x = 21,412,590,303.62/197,112.10
  6. Step 6: Final answer
    x = 108,631.54

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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.