Home / 204,289.02-281,686.41-143,840.34

Finding the Fourth Proportional to 204,289.02, 281,686.41 and 143,840.34

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Solution

The fourth proportional to 204,289.02, 281,686.41 and 143,840.34 is: 198,336.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,289.02 : 281,686.41 = 143,840.34 : x
  2. Step 2: Convert to fraction form
    204,289.02/281,686.41 = 143,840.34/x
  3. Step 3: Cross multiply
    204,289.02x = 281,686.41 × 143,840.34
  4. Step 4: Simplify right side
    204,289.02x = 40,517,868,987.78
  5. Step 5: Solve for x
    x = 40,517,868,987.78/204,289.02
  6. Step 6: Final answer
    x = 198,336.01

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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.