Home / 146,346.66-201,947.31-82,690.38

Finding the Fourth Proportional to 146,346.66, 201,947.31 and 82,690.38

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Solution

The fourth proportional to 146,346.66, 201,947.31 and 82,690.38 is: 114,106.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,346.66 : 201,947.31 = 82,690.38 : x
  2. Step 2: Convert to fraction form
    146,346.66/201,947.31 = 82,690.38/x
  3. Step 3: Cross multiply
    146,346.66x = 201,947.31 × 82,690.38
  4. Step 4: Simplify right side
    146,346.66x = 16,699,099,803.88
  5. Step 5: Solve for x
    x = 16,699,099,803.88/146,346.66
  6. Step 6: Final answer
    x = 114,106.46

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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.