Home / 251,759.43-347,436.54-137,042.26

Finding the Fourth Proportional to 251,759.43, 347,436.54 and 137,042.26

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Solution

The fourth proportional to 251,759.43, 347,436.54 and 137,042.26 is: 189,122.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,759.43 : 347,436.54 = 137,042.26 : x
  2. Step 2: Convert to fraction form
    251,759.43/347,436.54 = 137,042.26/x
  3. Step 3: Cross multiply
    251,759.43x = 347,436.54 × 137,042.26
  4. Step 4: Simplify right side
    251,759.43x = 47,613,487,779.59
  5. Step 5: Solve for x
    x = 47,613,487,779.59/251,759.43
  6. Step 6: Final answer
    x = 189,122.96

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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.