Home / 251,759.23-347,436.53-137,047.32

Finding the Fourth Proportional to 251,759.23, 347,436.53 and 137,047.32

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Solution

The fourth proportional to 251,759.23, 347,436.53 and 137,047.32 is: 189,130.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,759.23 : 347,436.53 = 137,047.32 : x
  2. Step 2: Convert to fraction form
    251,759.23/347,436.53 = 137,047.32/x
  3. Step 3: Cross multiply
    251,759.23x = 347,436.53 × 137,047.32
  4. Step 4: Simplify right side
    251,759.23x = 47,615,245,306.60
  5. Step 5: Solve for x
    x = 47,615,245,306.60/251,759.23
  6. Step 6: Final answer
    x = 189,130.09

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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.