Home / 358,237.14-494,367.20-197,088.72

Finding the Fourth Proportional to 358,237.14, 494,367.20 and 197,088.72

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Solution

The fourth proportional to 358,237.14, 494,367.20 and 197,088.72 is: 271,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,237.14 : 494,367.20 = 197,088.72 : x
  2. Step 2: Convert to fraction form
    358,237.14/494,367.20 = 197,088.72/x
  3. Step 3: Cross multiply
    358,237.14x = 494,367.20 × 197,088.72
  4. Step 4: Simplify right side
    358,237.14x = 97,434,198,657.98
  5. Step 5: Solve for x
    x = 97,434,198,657.98/358,237.14
  6. Step 6: Final answer
    x = 271,982.40

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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.