Home / 196,771.40-295,157.10-187,210.57

Finding the Fourth Proportional to 196,771.40, 295,157.10 and 187,210.57

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Solution

The fourth proportional to 196,771.40, 295,157.10 and 187,210.57 is: 280,815.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,771.40 : 295,157.10 = 187,210.57 : x
  2. Step 2: Convert to fraction form
    196,771.40/295,157.10 = 187,210.57/x
  3. Step 3: Cross multiply
    196,771.40x = 295,157.10 × 187,210.57
  4. Step 4: Simplify right side
    196,771.40x = 55,256,526,518.71
  5. Step 5: Solve for x
    x = 55,256,526,518.71/196,771.40
  6. Step 6: Final answer
    x = 280,815.84

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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.