Home / 115,201.24-158,977.02-64,916.44

Finding the Fourth Proportional to 115,201.24, 158,977.02 and 64,916.44

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Solution

The fourth proportional to 115,201.24, 158,977.02 and 64,916.44 is: 89,584.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,201.24 : 158,977.02 = 64,916.44 : x
  2. Step 2: Convert to fraction form
    115,201.24/158,977.02 = 64,916.44/x
  3. Step 3: Cross multiply
    115,201.24x = 158,977.02 × 64,916.44
  4. Step 4: Simplify right side
    115,201.24x = 10,320,222,180.21
  5. Step 5: Solve for x
    x = 10,320,222,180.21/115,201.24
  6. Step 6: Final answer
    x = 89,584.30

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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.