Home / 358,135.02-494,239.32-197,002.53

Finding the Fourth Proportional to 358,135.02, 494,239.32 and 197,002.53

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Solution

The fourth proportional to 358,135.02, 494,239.32 and 197,002.53 is: 271,870.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,135.02 : 494,239.32 = 197,002.53 : x
  2. Step 2: Convert to fraction form
    358,135.02/494,239.32 = 197,002.53/x
  3. Step 3: Cross multiply
    358,135.02x = 494,239.32 × 197,002.53
  4. Step 4: Simplify right side
    358,135.02x = 97,366,396,465.48
  5. Step 5: Solve for x
    x = 97,366,396,465.48/358,135.02
  6. Step 6: Final answer
    x = 271,870.64

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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.