Home / 252,125.58-347,928.60-137,405.16

Finding the Fourth Proportional to 252,125.58, 347,928.60 and 137,405.16

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Solution

The fourth proportional to 252,125.58, 347,928.60 and 137,405.16 is: 189,616.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,125.58 : 347,928.60 = 137,405.16 : x
  2. Step 2: Convert to fraction form
    252,125.58/347,928.60 = 137,405.16/x
  3. Step 3: Cross multiply
    252,125.58x = 347,928.60 × 137,405.16
  4. Step 4: Simplify right side
    252,125.58x = 47,807,184,951.58
  5. Step 5: Solve for x
    x = 47,807,184,951.58/252,125.58
  6. Step 6: Final answer
    x = 189,616.56

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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.