Home / 131,007.40-196,511.10-46,807.90

Finding the Fourth Proportional to 131,007.40, 196,511.10 and 46,807.90

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Solution

The fourth proportional to 131,007.40, 196,511.10 and 46,807.90 is: 70,211.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,007.40 : 196,511.10 = 46,807.90 : x
  2. Step 2: Convert to fraction form
    131,007.40/196,511.10 = 46,807.90/x
  3. Step 3: Cross multiply
    131,007.40x = 196,511.10 × 46,807.90
  4. Step 4: Simplify right side
    131,007.40x = 9,198,271,917.69
  5. Step 5: Solve for x
    x = 9,198,271,917.69/131,007.40
  6. Step 6: Final answer
    x = 70,211.85

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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.