Home / 456,873.03-685,355.45-157,313.97

Finding the Fourth Proportional to 456,873.03, 685,355.45 and 157,313.97

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Solution

The fourth proportional to 456,873.03, 685,355.45 and 157,313.97 is: 235,986.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,873.03 : 685,355.45 = 157,313.97 : x
  2. Step 2: Convert to fraction form
    456,873.03/685,355.45 = 157,313.97/x
  3. Step 3: Cross multiply
    456,873.03x = 685,355.45 × 157,313.97
  4. Step 4: Simplify right side
    456,873.03x = 107,815,985,914.07
  5. Step 5: Solve for x
    x = 107,815,985,914.07/456,873.03
  6. Step 6: Final answer
    x = 235,986.76

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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.