Home / 140,772.54-194,266.14-77,112.60

Finding the Fourth Proportional to 140,772.54, 194,266.14 and 77,112.60

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Solution

The fourth proportional to 140,772.54, 194,266.14 and 77,112.60 is: 106,415.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,772.54 : 194,266.14 = 77,112.60 : x
  2. Step 2: Convert to fraction form
    140,772.54/194,266.14 = 77,112.60/x
  3. Step 3: Cross multiply
    140,772.54x = 194,266.14 × 77,112.60
  4. Step 4: Simplify right side
    140,772.54x = 14,980,367,147.36
  5. Step 5: Solve for x
    x = 14,980,367,147.36/140,772.54
  6. Step 6: Final answer
    x = 106,415.41

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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.