Home / 108,977.52-150,395.40-82,072.56

Finding the Fourth Proportional to 108,977.52, 150,395.40 and 82,072.56

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Solution

The fourth proportional to 108,977.52, 150,395.40 and 82,072.56 is: 113,264.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,977.52 : 150,395.40 = 82,072.56 : x
  2. Step 2: Convert to fraction form
    108,977.52/150,395.40 = 82,072.56/x
  3. Step 3: Cross multiply
    108,977.52x = 150,395.40 × 82,072.56
  4. Step 4: Simplify right side
    108,977.52x = 12,343,335,490.22
  5. Step 5: Solve for x
    x = 12,343,335,490.22/108,977.52
  6. Step 6: Final answer
    x = 113,264.97

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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.