Home / 293,866.80-405,150.48-212,126.64

Finding the Fourth Proportional to 293,866.80, 405,150.48 and 212,126.64

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Solution

The fourth proportional to 293,866.80, 405,150.48 and 212,126.64 is: 292,456.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,866.80 : 405,150.48 = 212,126.64 : x
  2. Step 2: Convert to fraction form
    293,866.80/405,150.48 = 212,126.64/x
  3. Step 3: Cross multiply
    293,866.80x = 405,150.48 × 212,126.64
  4. Step 4: Simplify right side
    293,866.80x = 85,943,210,016.79
  5. Step 5: Solve for x
    x = 85,943,210,016.79/293,866.80
  6. Step 6: Final answer
    x = 292,456.34

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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.