Home / 196,181.40-294,272.10-156,815.40

Finding the Fourth Proportional to 196,181.40, 294,272.10 and 156,815.40

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Solution

The fourth proportional to 196,181.40, 294,272.10 and 156,815.40 is: 235,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,181.40 : 294,272.10 = 156,815.40 : x
  2. Step 2: Convert to fraction form
    196,181.40/294,272.10 = 156,815.40/x
  3. Step 3: Cross multiply
    196,181.40x = 294,272.10 × 156,815.40
  4. Step 4: Simplify right side
    196,181.40x = 46,146,397,070.34
  5. Step 5: Solve for x
    x = 46,146,397,070.34/196,181.40
  6. Step 6: Final answer
    x = 235,223.10

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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.