Home / 293,938.90-405,676.84-212,531.48

Finding the Fourth Proportional to 293,938.90, 405,676.84 and 212,531.48

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Solution

The fourth proportional to 293,938.90, 405,676.84 and 212,531.48 is: 293,323.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,938.90 : 405,676.84 = 212,531.48 : x
  2. Step 2: Convert to fraction form
    293,938.90/405,676.84 = 212,531.48/x
  3. Step 3: Cross multiply
    293,938.90x = 405,676.84 × 212,531.48
  4. Step 4: Simplify right side
    293,938.90x = 86,219,099,206.92
  5. Step 5: Solve for x
    x = 86,219,099,206.92/293,938.90
  6. Step 6: Final answer
    x = 293,323.20

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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.