Home / 330,014.82-455,420.34-179,111.82

Finding the Fourth Proportional to 330,014.82, 455,420.34 and 179,111.82

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Solution

The fourth proportional to 330,014.82, 455,420.34 and 179,111.82 is: 247,174.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,014.82 : 455,420.34 = 179,111.82 : x
  2. Step 2: Convert to fraction form
    330,014.82/455,420.34 = 179,111.82/x
  3. Step 3: Cross multiply
    330,014.82x = 455,420.34 × 179,111.82
  4. Step 4: Simplify right side
    330,014.82x = 81,571,165,962.42
  5. Step 5: Solve for x
    x = 81,571,165,962.42/330,014.82
  6. Step 6: Final answer
    x = 247,174.25

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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.