Home / 358,023.21-494,084.71-196,890.51

Finding the Fourth Proportional to 358,023.21, 494,084.71 and 196,890.51

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Solution

The fourth proportional to 358,023.21, 494,084.71 and 196,890.51 is: 271,715.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,023.21 : 494,084.71 = 196,890.51 : x
  2. Step 2: Convert to fraction form
    358,023.21/494,084.71 = 196,890.51/x
  3. Step 3: Cross multiply
    358,023.21x = 494,084.71 × 196,890.51
  4. Step 4: Simplify right side
    358,023.21x = 97,280,590,535.10
  5. Step 5: Solve for x
    x = 97,280,590,535.10/358,023.21
  6. Step 6: Final answer
    x = 271,715.88

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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.