Home / 197,225.10-295,910.55-78,981.30

Finding the Fourth Proportional to 197,225.10, 295,910.55 and 78,981.30

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Solution

The fourth proportional to 197,225.10, 295,910.55 and 78,981.30 is: 118,501.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,225.10 : 295,910.55 = 78,981.30 : x
  2. Step 2: Convert to fraction form
    197,225.10/295,910.55 = 78,981.30/x
  3. Step 3: Cross multiply
    197,225.10x = 295,910.55 × 78,981.30
  4. Step 4: Simplify right side
    197,225.10x = 23,371,399,922.72
  5. Step 5: Solve for x
    x = 23,371,399,922.72/197,225.10
  6. Step 6: Final answer
    x = 118,501.14

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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.