Home / 199,659.02-275,521.56-109,018.80

Finding the Fourth Proportional to 199,659.02, 275,521.56 and 109,018.80

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Solution

The fourth proportional to 199,659.02, 275,521.56 and 109,018.80 is: 150,441.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,659.02 : 275,521.56 = 109,018.80 : x
  2. Step 2: Convert to fraction form
    199,659.02/275,521.56 = 109,018.80/x
  3. Step 3: Cross multiply
    199,659.02x = 275,521.56 × 109,018.80
  4. Step 4: Simplify right side
    199,659.02x = 30,037,029,845.33
  5. Step 5: Solve for x
    x = 30,037,029,845.33/199,659.02
  6. Step 6: Final answer
    x = 150,441.64

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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.