Home / 330,019.44-455,427.28-179,116.44

Finding the Fourth Proportional to 330,019.44, 455,427.28 and 179,116.44

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Solution

The fourth proportional to 330,019.44, 455,427.28 and 179,116.44 is: 247,180.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,019.44 : 455,427.28 = 179,116.44 : x
  2. Step 2: Convert to fraction form
    330,019.44/455,427.28 = 179,116.44/x
  3. Step 3: Cross multiply
    330,019.44x = 455,427.28 × 179,116.44
  4. Step 4: Simplify right side
    330,019.44x = 81,574,513,072.48
  5. Step 5: Solve for x
    x = 81,574,513,072.48/330,019.44
  6. Step 6: Final answer
    x = 247,180.93

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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.