Home / 258,160,120.60-356,250,600.34-140,682,947

Finding the Fourth Proportional to 258,160,120.60, 356,250,600.34 and 140,682,947

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Solution

The fourth proportional to 258,160,120.60, 356,250,600.34 and 140,682,947 is: 194,136,817.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,160,120.60 : 356,250,600.34 = 140,682,947 : x
  2. Step 2: Convert to fraction form
    258,160,120.60/356,250,600.34 = 140,682,947/x
  3. Step 3: Cross multiply
    258,160,120.60x = 356,250,600.34 × 140,682,947
  4. Step 4: Simplify right side
    258,160,120.60x = 50,118,384,326,350,400
  5. Step 5: Solve for x
    x = 50,118,384,326,350,400/258,160,120.60
  6. Step 6: Final answer
    x = 194,136,817.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.