Home / 307,566.80-461,004.60-157,749.20

Finding the Fourth Proportional to 307,566.80, 461,004.60 and 157,749.20

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Solution

The fourth proportional to 307,566.80, 461,004.60 and 157,749.20 is: 236,446.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,566.80 : 461,004.60 = 157,749.20 : x
  2. Step 2: Convert to fraction form
    307,566.80/461,004.60 = 157,749.20/x
  3. Step 3: Cross multiply
    307,566.80x = 461,004.60 × 157,749.20
  4. Step 4: Simplify right side
    307,566.80x = 72,723,106,846.32
  5. Step 5: Solve for x
    x = 72,723,106,846.32/307,566.80
  6. Step 6: Final answer
    x = 236,446.54

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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.