Home / 248,630.77-372,955.34-80,153.55

Finding the Fourth Proportional to 248,630.77, 372,955.34 and 80,153.55

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Solution

The fourth proportional to 248,630.77, 372,955.34 and 80,153.55 is: 120,233.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,630.77 : 372,955.34 = 80,153.55 : x
  2. Step 2: Convert to fraction form
    248,630.77/372,955.34 = 80,153.55/x
  3. Step 3: Cross multiply
    248,630.77x = 372,955.34 × 80,153.55
  4. Step 4: Simplify right side
    248,630.77x = 29,893,694,241.98
  5. Step 5: Solve for x
    x = 29,893,694,241.98/248,630.77
  6. Step 6: Final answer
    x = 120,233.29

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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.