Home / 281,525.12-388,357.44-174,060.80

Finding the Fourth Proportional to 281,525.12, 388,357.44 and 174,060.80

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Solution

The fourth proportional to 281,525.12, 388,357.44 and 174,060.80 is: 240,112.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,525.12 : 388,357.44 = 174,060.80 : x
  2. Step 2: Convert to fraction form
    281,525.12/388,357.44 = 174,060.80/x
  3. Step 3: Cross multiply
    281,525.12x = 388,357.44 × 174,060.80
  4. Step 4: Simplify right side
    281,525.12x = 67,597,806,692.35
  5. Step 5: Solve for x
    x = 67,597,806,692.35/281,525.12
  6. Step 6: Final answer
    x = 240,112.88

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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.