Home / 358,070.04-494,138.40-196,935.36

Finding the Fourth Proportional to 358,070.04, 494,138.40 and 196,935.36

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Solution

The fourth proportional to 358,070.04, 494,138.40 and 196,935.36 is: 271,771.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,070.04 : 494,138.40 = 196,935.36 : x
  2. Step 2: Convert to fraction form
    358,070.04/494,138.40 = 196,935.36/x
  3. Step 3: Cross multiply
    358,070.04x = 494,138.40 × 196,935.36
  4. Step 4: Simplify right side
    358,070.04x = 97,313,323,693.82
  5. Step 5: Solve for x
    x = 97,313,323,693.82/358,070.04
  6. Step 6: Final answer
    x = 271,771.76

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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.