Home / 130,950.42-196,511.70-71,827.56

Finding the Fourth Proportional to 130,950.42, 196,511.70 and 71,827.56

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Solution

The fourth proportional to 130,950.42, 196,511.70 and 71,827.56 is: 107,788.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,950.42 : 196,511.70 = 71,827.56 : x
  2. Step 2: Convert to fraction form
    130,950.42/196,511.70 = 71,827.56/x
  3. Step 3: Cross multiply
    130,950.42x = 196,511.70 × 71,827.56
  4. Step 4: Simplify right side
    130,950.42x = 14,114,955,922.45
  5. Step 5: Solve for x
    x = 14,114,955,922.45/130,950.42
  6. Step 6: Final answer
    x = 107,788.55

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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.