Home / 197,518.47-296,314.55-79,199.07

Finding the Fourth Proportional to 197,518.47, 296,314.55 and 79,199.07

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Solution

The fourth proportional to 197,518.47, 296,314.55 and 79,199.07 is: 118,813.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,518.47 : 296,314.55 = 79,199.07 : x
  2. Step 2: Convert to fraction form
    197,518.47/296,314.55 = 79,199.07/x
  3. Step 3: Cross multiply
    197,518.47x = 296,314.55 × 79,199.07
  4. Step 4: Simplify right side
    197,518.47x = 23,467,836,787.47
  5. Step 5: Solve for x
    x = 23,467,836,787.47/197,518.47
  6. Step 6: Final answer
    x = 118,813.38

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1.5x scale

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.