Home / 358,056.55-494,108.17-196,911.58

Finding the Fourth Proportional to 358,056.55, 494,108.17 and 196,911.58

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Solution

The fourth proportional to 358,056.55, 494,108.17 and 196,911.58 is: 271,732.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,056.55 : 494,108.17 = 196,911.58 : x
  2. Step 2: Convert to fraction form
    358,056.55/494,108.17 = 196,911.58/x
  3. Step 3: Cross multiply
    358,056.55x = 494,108.17 × 196,911.58
  4. Step 4: Simplify right side
    358,056.55x = 97,295,620,445.61
  5. Step 5: Solve for x
    x = 97,295,620,445.61/358,056.55
  6. Step 6: Final answer
    x = 271,732.55

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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.