Home / 311,852.82-430,356.30-175,886.36

Finding the Fourth Proportional to 311,852.82, 430,356.30 and 175,886.36

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Solution

The fourth proportional to 311,852.82, 430,356.30 and 175,886.36 is: 242,722.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,852.82 : 430,356.30 = 175,886.36 : x
  2. Step 2: Convert to fraction form
    311,852.82/430,356.30 = 175,886.36/x
  3. Step 3: Cross multiply
    311,852.82x = 430,356.30 × 175,886.36
  4. Step 4: Simplify right side
    311,852.82x = 75,693,800,958.29
  5. Step 5: Solve for x
    x = 75,693,800,958.29/311,852.82
  6. Step 6: Final answer
    x = 242,722.84

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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.