Home / 196,390.42-294,714.79-107,706.20

Finding the Fourth Proportional to 196,390.42, 294,714.79 and 107,706.20

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Solution

The fourth proportional to 196,390.42, 294,714.79 and 107,706.20 is: 161,630.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,390.42 : 294,714.79 = 107,706.20 : x
  2. Step 2: Convert to fraction form
    196,390.42/294,714.79 = 107,706.20/x
  3. Step 3: Cross multiply
    196,390.42x = 294,714.79 × 107,706.20
  4. Step 4: Simplify right side
    196,390.42x = 31,742,608,371.86
  5. Step 5: Solve for x
    x = 31,742,608,371.86/196,390.42
  6. Step 6: Final answer
    x = 161,630.13

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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.