Home / 109,247.08-150,772.26-66,833.80

Finding the Fourth Proportional to 109,247.08, 150,772.26 and 66,833.80

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Solution

The fourth proportional to 109,247.08, 150,772.26 and 66,833.80 is: 92,237.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,247.08 : 150,772.26 = 66,833.80 : x
  2. Step 2: Convert to fraction form
    109,247.08/150,772.26 = 66,833.80/x
  3. Step 3: Cross multiply
    109,247.08x = 150,772.26 × 66,833.80
  4. Step 4: Simplify right side
    109,247.08x = 10,076,683,070.39
  5. Step 5: Solve for x
    x = 10,076,683,070.39/109,247.08
  6. Step 6: Final answer
    x = 92,237.55

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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.