Home / 331,122.96-496,295.40-153,254.28

Finding the Fourth Proportional to 331,122.96, 496,295.40 and 153,254.28

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Solution

The fourth proportional to 331,122.96, 496,295.40 and 153,254.28 is: 229,701.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,122.96 : 496,295.40 = 153,254.28 : x
  2. Step 2: Convert to fraction form
    331,122.96/496,295.40 = 153,254.28/x
  3. Step 3: Cross multiply
    331,122.96x = 496,295.40 × 153,254.28
  4. Step 4: Simplify right side
    331,122.96x = 76,059,394,194.31
  5. Step 5: Solve for x
    x = 76,059,394,194.31/331,122.96
  6. Step 6: Final answer
    x = 229,701.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.