Home / 193,144.98-266,441-116,621.84

Finding the Fourth Proportional to 193,144.98, 266,441 and 116,621.84

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Solution

The fourth proportional to 193,144.98, 266,441 and 116,621.84 is: 160,878.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,144.98 : 266,441 = 116,621.84 : x
  2. Step 2: Convert to fraction form
    193,144.98/266,441 = 116,621.84/x
  3. Step 3: Cross multiply
    193,144.98x = 266,441 × 116,621.84
  4. Step 4: Simplify right side
    193,144.98x = 31,072,839,671.44
  5. Step 5: Solve for x
    x = 31,072,839,671.44/193,144.98
  6. Step 6: Final answer
    x = 160,878.32

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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.