Home / 320,615.48-480,606.08-151,839.23

Finding the Fourth Proportional to 320,615.48, 480,606.08 and 151,839.23

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Solution

The fourth proportional to 320,615.48, 480,606.08 and 151,839.23 is: 227,608.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,615.48 : 480,606.08 = 151,839.23 : x
  2. Step 2: Convert to fraction form
    320,615.48/480,606.08 = 151,839.23/x
  3. Step 3: Cross multiply
    320,615.48x = 480,606.08 × 151,839.23
  4. Step 4: Simplify right side
    320,615.48x = 72,974,853,958.29
  5. Step 5: Solve for x
    x = 72,974,853,958.29/320,615.48
  6. Step 6: Final answer
    x = 227,608.64

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1.5x scale

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.