Home / 197,127.18-295,706.57-78,733.53

Finding the Fourth Proportional to 197,127.18, 295,706.57 and 78,733.53

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Solution

The fourth proportional to 197,127.18, 295,706.57 and 78,733.53 is: 118,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,127.18 : 295,706.57 = 78,733.53 : x
  2. Step 2: Convert to fraction form
    197,127.18/295,706.57 = 78,733.53/x
  3. Step 3: Cross multiply
    197,127.18x = 295,706.57 × 78,733.53
  4. Step 4: Simplify right side
    197,127.18x = 23,282,021,706.62
  5. Step 5: Solve for x
    x = 23,282,021,706.62/197,127.18
  6. Step 6: Final answer
    x = 118,106.60

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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.