Home / 347,939.32-480,148.08-204,708.60

Finding the Fourth Proportional to 347,939.32, 480,148.08 and 204,708.60

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Solution

The fourth proportional to 347,939.32, 480,148.08 and 204,708.60 is: 282,493.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,939.32 : 480,148.08 = 204,708.60 : x
  2. Step 2: Convert to fraction form
    347,939.32/480,148.08 = 204,708.60/x
  3. Step 3: Cross multiply
    347,939.32x = 480,148.08 × 204,708.60
  4. Step 4: Simplify right side
    347,939.32x = 98,290,441,249.49
  5. Step 5: Solve for x
    x = 98,290,441,249.49/347,939.32
  6. Step 6: Final answer
    x = 282,493.05

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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.