Home / 113,520.52-170,018.32-109,583.92

Finding the Fourth Proportional to 113,520.52, 170,018.32 and 109,583.92

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Solution

The fourth proportional to 113,520.52, 170,018.32 and 109,583.92 is: 164,122.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,520.52 : 170,018.32 = 109,583.92 : x
  2. Step 2: Convert to fraction form
    113,520.52/170,018.32 = 109,583.92/x
  3. Step 3: Cross multiply
    113,520.52x = 170,018.32 × 109,583.92
  4. Step 4: Simplify right side
    113,520.52x = 18,631,273,977.41
  5. Step 5: Solve for x
    x = 18,631,273,977.41/113,520.52
  6. Step 6: Final answer
    x = 164,122.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.