Home / 148,941.64-223,524.78-78,836.68

Finding the Fourth Proportional to 148,941.64, 223,524.78 and 78,836.68

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Solution

The fourth proportional to 148,941.64, 223,524.78 and 78,836.68 is: 118,314.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,941.64 : 223,524.78 = 78,836.68 : x
  2. Step 2: Convert to fraction form
    148,941.64/223,524.78 = 78,836.68/x
  3. Step 3: Cross multiply
    148,941.64x = 223,524.78 × 78,836.68
  4. Step 4: Simplify right side
    148,941.64x = 17,621,951,552.93
  5. Step 5: Solve for x
    x = 17,621,951,552.93/148,941.64
  6. Step 6: Final answer
    x = 118,314.47

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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.