Home / 196,905.40-295,358.10-187,228.60

Finding the Fourth Proportional to 196,905.40, 295,358.10 and 187,228.60

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Solution

The fourth proportional to 196,905.40, 295,358.10 and 187,228.60 is: 280,842.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,905.40 : 295,358.10 = 187,228.60 : x
  2. Step 2: Convert to fraction form
    196,905.40/295,358.10 = 187,228.60/x
  3. Step 3: Cross multiply
    196,905.40x = 295,358.10 × 187,228.60
  4. Step 4: Simplify right side
    196,905.40x = 55,299,483,561.66
  5. Step 5: Solve for x
    x = 55,299,483,561.66/196,905.40
  6. Step 6: Final answer
    x = 280,842.90

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1.5x scale

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.