Home / 311,848.27-430,351.23-168,608.32

Finding the Fourth Proportional to 311,848.27, 430,351.23 and 168,608.32

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Solution

The fourth proportional to 311,848.27, 430,351.23 and 168,608.32 is: 232,679.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,848.27 : 430,351.23 = 168,608.32 : x
  2. Step 2: Convert to fraction form
    311,848.27/430,351.23 = 168,608.32/x
  3. Step 3: Cross multiply
    311,848.27x = 430,351.23 × 168,608.32
  4. Step 4: Simplify right side
    311,848.27x = 72,560,797,900.23
  5. Step 5: Solve for x
    x = 72,560,797,900.23/311,848.27
  6. Step 6: Final answer
    x = 232,679.82

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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.