Home / 358,021.02-494,072.58-196,877.22

Finding the Fourth Proportional to 358,021.02, 494,072.58 and 196,877.22

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Solution

The fourth proportional to 358,021.02, 494,072.58 and 196,877.22 is: 271,692.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,021.02 : 494,072.58 = 196,877.22 : x
  2. Step 2: Convert to fraction form
    358,021.02/494,072.58 = 196,877.22/x
  3. Step 3: Cross multiply
    358,021.02x = 494,072.58 × 196,877.22
  4. Step 4: Simplify right side
    358,021.02x = 97,271,636,028.63
  5. Step 5: Solve for x
    x = 97,271,636,028.63/358,021.02
  6. Step 6: Final answer
    x = 271,692.53

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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.