Home / 314,949.49-434,611.56-178,964.56

Finding the Fourth Proportional to 314,949.49, 434,611.56 and 178,964.56

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Solution

The fourth proportional to 314,949.49, 434,611.56 and 178,964.56 is: 246,960.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,949.49 : 434,611.56 = 178,964.56 : x
  2. Step 2: Convert to fraction form
    314,949.49/434,611.56 = 178,964.56/x
  3. Step 3: Cross multiply
    314,949.49x = 434,611.56 × 178,964.56
  4. Step 4: Simplify right side
    314,949.49x = 77,780,067,820.70
  5. Step 5: Solve for x
    x = 77,780,067,820.70/314,949.49
  6. Step 6: Final answer
    x = 246,960.45

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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.