Home / 196,435.94-294,560.56-89,788.64

Finding the Fourth Proportional to 196,435.94, 294,560.56 and 89,788.64

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Solution

The fourth proportional to 196,435.94, 294,560.56 and 89,788.64 is: 134,640.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,435.94 : 294,560.56 = 89,788.64 : x
  2. Step 2: Convert to fraction form
    196,435.94/294,560.56 = 89,788.64/x
  3. Step 3: Cross multiply
    196,435.94x = 294,560.56 × 89,788.64
  4. Step 4: Simplify right side
    196,435.94x = 26,448,191,631.10
  5. Step 5: Solve for x
    x = 26,448,191,631.10/196,435.94
  6. Step 6: Final answer
    x = 134,640.29

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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.