Home / 358,003.06-494,027.31-196,864.90

Finding the Fourth Proportional to 358,003.06, 494,027.31 and 196,864.90

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Solution

The fourth proportional to 358,003.06, 494,027.31 and 196,864.90 is: 271,664.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,003.06 : 494,027.31 = 196,864.90 : x
  2. Step 2: Convert to fraction form
    358,003.06/494,027.31 = 196,864.90/x
  3. Step 3: Cross multiply
    358,003.06x = 494,027.31 × 196,864.90
  4. Step 4: Simplify right side
    358,003.06x = 97,256,636,980.42
  5. Step 5: Solve for x
    x = 97,256,636,980.42/358,003.06
  6. Step 6: Final answer
    x = 271,664.26

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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.