Home / 196,477.10-294,728.60-71,905.58

Finding the Fourth Proportional to 196,477.10, 294,728.60 and 71,905.58

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Solution

The fourth proportional to 196,477.10, 294,728.60 and 71,905.58 is: 107,863.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,477.10 : 294,728.60 = 71,905.58 : x
  2. Step 2: Convert to fraction form
    196,477.10/294,728.60 = 71,905.58/x
  3. Step 3: Cross multiply
    196,477.10x = 294,728.60 × 71,905.58
  4. Step 4: Simplify right side
    196,477.10x = 21,192,630,925.59
  5. Step 5: Solve for x
    x = 21,192,630,925.59/196,477.10
  6. Step 6: Final answer
    x = 107,863.11

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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.