Home / 456,912.68-685,442.46-157,319.60

Finding the Fourth Proportional to 456,912.68, 685,442.46 and 157,319.60

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Solution

The fourth proportional to 456,912.68, 685,442.46 and 157,319.60 is: 236,004.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,912.68 : 685,442.46 = 157,319.60 : x
  2. Step 2: Convert to fraction form
    456,912.68/685,442.46 = 157,319.60/x
  3. Step 3: Cross multiply
    456,912.68x = 685,442.46 × 157,319.60
  4. Step 4: Simplify right side
    456,912.68x = 107,833,533,630.22
  5. Step 5: Solve for x
    x = 107,833,533,630.22/456,912.68
  6. Step 6: Final answer
    x = 236,004.69

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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.