Home / 358,023.53-494,085.18-196,890.83

Finding the Fourth Proportional to 358,023.53, 494,085.18 and 196,890.83

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Solution

The fourth proportional to 358,023.53, 494,085.18 and 196,890.83 is: 271,716.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,023.53 : 494,085.18 = 196,890.83 : x
  2. Step 2: Convert to fraction form
    358,023.53/494,085.18 = 196,890.83/x
  3. Step 3: Cross multiply
    358,023.53x = 494,085.18 × 196,890.83
  4. Step 4: Simplify right side
    358,023.53x = 97,280,838,710.47
  5. Step 5: Solve for x
    x = 97,280,838,710.47/358,023.53
  6. Step 6: Final answer
    x = 271,716.33

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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.