Home / 348,786.72-481,182.48-253,081.44

Finding the Fourth Proportional to 348,786.72, 481,182.48 and 253,081.44

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Solution

The fourth proportional to 348,786.72, 481,182.48 and 253,081.44 is: 349,148.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,786.72 : 481,182.48 = 253,081.44 : x
  2. Step 2: Convert to fraction form
    348,786.72/481,182.48 = 253,081.44/x
  3. Step 3: Cross multiply
    348,786.72x = 481,182.48 × 253,081.44
  4. Step 4: Simplify right side
    348,786.72x = 121,778,354,941.17
  5. Step 5: Solve for x
    x = 121,778,354,941.17/348,786.72
  6. Step 6: Final answer
    x = 349,148.49

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1.5x scale

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.