Home / 330,853.02-456,453.46-194,803.80

Finding the Fourth Proportional to 330,853.02, 456,453.46 and 194,803.80

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Solution

The fourth proportional to 330,853.02, 456,453.46 and 194,803.80 is: 268,756.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,853.02 : 456,453.46 = 194,803.80 : x
  2. Step 2: Convert to fraction form
    330,853.02/456,453.46 = 194,803.80/x
  3. Step 3: Cross multiply
    330,853.02x = 456,453.46 × 194,803.80
  4. Step 4: Simplify right side
    330,853.02x = 88,918,868,531.15
  5. Step 5: Solve for x
    x = 88,918,868,531.15/330,853.02
  6. Step 6: Final answer
    x = 268,756.41

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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.