Home / 358,002.69-494,026.79-196,864.53

Finding the Fourth Proportional to 358,002.69, 494,026.79 and 196,864.53

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Solution

The fourth proportional to 358,002.69, 494,026.79 and 196,864.53 is: 271,663.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,002.69 : 494,026.79 = 196,864.53 : x
  2. Step 2: Convert to fraction form
    358,002.69/494,026.79 = 196,864.53/x
  3. Step 3: Cross multiply
    358,002.69x = 494,026.79 × 196,864.53
  4. Step 4: Simplify right side
    358,002.69x = 97,256,351,820.76
  5. Step 5: Solve for x
    x = 97,256,351,820.76/358,002.69
  6. Step 6: Final answer
    x = 271,663.75

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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.