Home / 357,215.10-492,961.95-196,067.22

Finding the Fourth Proportional to 357,215.10, 492,961.95 and 196,067.22

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Solution

The fourth proportional to 357,215.10, 492,961.95 and 196,067.22 is: 270,575.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,215.10 : 492,961.95 = 196,067.22 : x
  2. Step 2: Convert to fraction form
    357,215.10/492,961.95 = 196,067.22/x
  3. Step 3: Cross multiply
    357,215.10x = 492,961.95 × 196,067.22
  4. Step 4: Simplify right side
    357,215.10x = 96,653,679,102.28
  5. Step 5: Solve for x
    x = 96,653,679,102.28/357,215.10
  6. Step 6: Final answer
    x = 270,575.57

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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.