Home / 358,022.02-494,073.96-196,878.22

Finding the Fourth Proportional to 358,022.02, 494,073.96 and 196,878.22

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Solution

The fourth proportional to 358,022.02, 494,073.96 and 196,878.22 is: 271,693.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,022.02 : 494,073.96 = 196,878.22 : x
  2. Step 2: Convert to fraction form
    358,022.02/494,073.96 = 196,878.22/x
  3. Step 3: Cross multiply
    358,022.02x = 494,073.96 × 196,878.22
  4. Step 4: Simplify right side
    358,022.02x = 97,272,401,793.15
  5. Step 5: Solve for x
    x = 97,272,401,793.15/358,022.02
  6. Step 6: Final answer
    x = 271,693.91

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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.