Home / 358,238.14-494,368.58-197,089.72

Finding the Fourth Proportional to 358,238.14, 494,368.58 and 197,089.72

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Solution

The fourth proportional to 358,238.14, 494,368.58 and 197,089.72 is: 271,983.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,238.14 : 494,368.58 = 197,089.72 : x
  2. Step 2: Convert to fraction form
    358,238.14/494,368.58 = 197,089.72/x
  3. Step 3: Cross multiply
    358,238.14x = 494,368.58 × 197,089.72
  4. Step 4: Simplify right side
    358,238.14x = 97,434,965,009.00
  5. Step 5: Solve for x
    x = 97,434,965,009.00/358,238.14
  6. Step 6: Final answer
    x = 271,983.78

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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.