Home / 109,010.32-150,295.44-73,143.52

Finding the Fourth Proportional to 109,010.32, 150,295.44 and 73,143.52

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Solution

The fourth proportional to 109,010.32, 150,295.44 and 73,143.52 is: 100,844.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,010.32 : 150,295.44 = 73,143.52 : x
  2. Step 2: Convert to fraction form
    109,010.32/150,295.44 = 73,143.52/x
  3. Step 3: Cross multiply
    109,010.32x = 150,295.44 × 73,143.52
  4. Step 4: Simplify right side
    109,010.32x = 10,993,137,521.55
  5. Step 5: Solve for x
    x = 10,993,137,521.55/109,010.32
  6. Step 6: Final answer
    x = 100,844.92

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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.