Home / 137,711.44-190,037.24-77,283.04

Finding the Fourth Proportional to 137,711.44, 190,037.24 and 77,283.04

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Solution

The fourth proportional to 137,711.44, 190,037.24 and 77,283.04 is: 106,648.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,711.44 : 190,037.24 = 77,283.04 : x
  2. Step 2: Convert to fraction form
    137,711.44/190,037.24 = 77,283.04/x
  3. Step 3: Cross multiply
    137,711.44x = 190,037.24 × 77,283.04
  4. Step 4: Simplify right side
    137,711.44x = 14,686,655,620.41
  5. Step 5: Solve for x
    x = 14,686,655,620.41/137,711.44
  6. Step 6: Final answer
    x = 106,648.04

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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.