Home / 238,912.30-358,589.94-120,666.58

Finding the Fourth Proportional to 238,912.30, 358,589.94 and 120,666.58

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Solution

The fourth proportional to 238,912.30, 358,589.94 and 120,666.58 is: 181,111.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,912.30 : 358,589.94 = 120,666.58 : x
  2. Step 2: Convert to fraction form
    238,912.30/358,589.94 = 120,666.58/x
  3. Step 3: Cross multiply
    238,912.30x = 358,589.94 × 120,666.58
  4. Step 4: Simplify right side
    238,912.30x = 43,269,821,682.21
  5. Step 5: Solve for x
    x = 43,269,821,682.21/238,912.30
  6. Step 6: Final answer
    x = 181,111.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.