Home / 147,379.68-203,372.64-82,845.36

Finding the Fourth Proportional to 147,379.68, 203,372.64 and 82,845.36

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Solution

The fourth proportional to 147,379.68, 203,372.64 and 82,845.36 is: 114,320.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,379.68 : 203,372.64 = 82,845.36 : x
  2. Step 2: Convert to fraction form
    147,379.68/203,372.64 = 82,845.36/x
  3. Step 3: Cross multiply
    147,379.68x = 203,372.64 × 82,845.36
  4. Step 4: Simplify right side
    147,379.68x = 16,848,479,574.95
  5. Step 5: Solve for x
    x = 16,848,479,574.95/147,379.68
  6. Step 6: Final answer
    x = 114,320.23

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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.