Home / 114,621.40-171,932.10-83,517.40

Finding the Fourth Proportional to 114,621.40, 171,932.10 and 83,517.40

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Solution

The fourth proportional to 114,621.40, 171,932.10 and 83,517.40 is: 125,276.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,621.40 : 171,932.10 = 83,517.40 : x
  2. Step 2: Convert to fraction form
    114,621.40/171,932.10 = 83,517.40/x
  3. Step 3: Cross multiply
    114,621.40x = 171,932.10 × 83,517.40
  4. Step 4: Simplify right side
    114,621.40x = 14,359,321,968.54
  5. Step 5: Solve for x
    x = 14,359,321,968.54/114,621.40
  6. Step 6: Final answer
    x = 125,276.10

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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.