Home / 140,903.54-194,448.05-77,247.22

Finding the Fourth Proportional to 140,903.54, 194,448.05 and 77,247.22

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Solution

The fourth proportional to 140,903.54, 194,448.05 and 77,247.22 is: 106,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,903.54 : 194,448.05 = 77,247.22 : x
  2. Step 2: Convert to fraction form
    140,903.54/194,448.05 = 77,247.22/x
  3. Step 3: Cross multiply
    140,903.54x = 194,448.05 × 77,247.22
  4. Step 4: Simplify right side
    140,903.54x = 15,020,571,296.92
  5. Step 5: Solve for x
    x = 15,020,571,296.92/140,903.54
  6. Step 6: Final answer
    x = 106,601.80

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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.