Home / 196,228.40-294,688.20-190,007.60

Finding the Fourth Proportional to 196,228.40, 294,688.20 and 190,007.60

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Solution

The fourth proportional to 196,228.40, 294,688.20 and 190,007.60 is: 285,346.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,228.40 : 294,688.20 = 190,007.60 : x
  2. Step 2: Convert to fraction form
    196,228.40/294,688.20 = 190,007.60/x
  3. Step 3: Cross multiply
    196,228.40x = 294,688.20 × 190,007.60
  4. Step 4: Simplify right side
    196,228.40x = 55,992,997,630.32
  5. Step 5: Solve for x
    x = 55,992,997,630.32/196,228.40
  6. Step 6: Final answer
    x = 285,346.04

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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.