Home / 239,246.73-330,161.40-131,814.45

Finding the Fourth Proportional to 239,246.73, 330,161.40 and 131,814.45

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Solution

The fourth proportional to 239,246.73, 330,161.40 and 131,814.45 is: 181,904.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,246.73 : 330,161.40 = 131,814.45 : x
  2. Step 2: Convert to fraction form
    239,246.73/330,161.40 = 131,814.45/x
  3. Step 3: Cross multiply
    239,246.73x = 330,161.40 × 131,814.45
  4. Step 4: Simplify right side
    239,246.73x = 43,520,043,352.23
  5. Step 5: Solve for x
    x = 43,520,043,352.23/239,246.73
  6. Step 6: Final answer
    x = 181,904.44

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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.