Home / 253,947.95-350,452.11-139,237.07

Finding the Fourth Proportional to 253,947.95, 350,452.11 and 139,237.07

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Solution

The fourth proportional to 253,947.95, 350,452.11 and 139,237.07 is: 192,149.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,947.95 : 350,452.11 = 139,237.07 : x
  2. Step 2: Convert to fraction form
    253,947.95/350,452.11 = 139,237.07/x
  3. Step 3: Cross multiply
    253,947.95x = 350,452.11 × 139,237.07
  4. Step 4: Simplify right side
    253,947.95x = 48,795,923,219.46
  5. Step 5: Solve for x
    x = 48,795,923,219.46/253,947.95
  6. Step 6: Final answer
    x = 192,149.31

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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.