Home / 238,215.40-356,804.70-154,234.60

Finding the Fourth Proportional to 238,215.40, 356,804.70 and 154,234.60

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Solution

The fourth proportional to 238,215.40, 356,804.70 and 154,234.60 is: 231,016.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,215.40 : 356,804.70 = 154,234.60 : x
  2. Step 2: Convert to fraction form
    238,215.40/356,804.70 = 154,234.60/x
  3. Step 3: Cross multiply
    238,215.40x = 356,804.70 × 154,234.60
  4. Step 4: Simplify right side
    238,215.40x = 55,031,630,182.62
  5. Step 5: Solve for x
    x = 55,031,630,182.62/238,215.40
  6. Step 6: Final answer
    x = 231,016.26

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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.