Home / 355,116.32-490,057.26-193,971.32

Finding the Fourth Proportional to 355,116.32, 490,057.26 and 193,971.32

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Solution

The fourth proportional to 355,116.32, 490,057.26 and 193,971.32 is: 267,678.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,116.32 : 490,057.26 = 193,971.32 : x
  2. Step 2: Convert to fraction form
    355,116.32/490,057.26 = 193,971.32/x
  3. Step 3: Cross multiply
    355,116.32x = 490,057.26 × 193,971.32
  4. Step 4: Simplify right side
    355,116.32x = 95,057,053,597.78
  5. Step 5: Solve for x
    x = 95,057,053,597.78/355,116.32
  6. Step 6: Final answer
    x = 267,678.64

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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.