Home / 131,201.10-196,753.50-46,938.42

Finding the Fourth Proportional to 131,201.10, 196,753.50 and 46,938.42

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Solution

The fourth proportional to 131,201.10, 196,753.50 and 46,938.42 is: 70,390.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,201.10 : 196,753.50 = 46,938.42 : x
  2. Step 2: Convert to fraction form
    131,201.10/196,753.50 = 46,938.42/x
  3. Step 3: Cross multiply
    131,201.10x = 196,753.50 × 46,938.42
  4. Step 4: Simplify right side
    131,201.10x = 9,235,298,419.47
  5. Step 5: Solve for x
    x = 9,235,298,419.47/131,201.10
  6. Step 6: Final answer
    x = 70,390.40

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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.