Home / 196,905.60-295,358.40-91,929.60

Finding the Fourth Proportional to 196,905.60, 295,358.40 and 91,929.60

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Solution

The fourth proportional to 196,905.60, 295,358.40 and 91,929.60 is: 137,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,905.60 : 295,358.40 = 91,929.60 : x
  2. Step 2: Convert to fraction form
    196,905.60/295,358.40 = 91,929.60/x
  3. Step 3: Cross multiply
    196,905.60x = 295,358.40 × 91,929.60
  4. Step 4: Simplify right side
    196,905.60x = 27,152,179,568.64
  5. Step 5: Solve for x
    x = 27,152,179,568.64/196,905.60
  6. Step 6: Final answer
    x = 137,894.40

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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.