Home / 140,903.10-211,382.36-52,157.37

Finding the Fourth Proportional to 140,903.10, 211,382.36 and 52,157.37

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Solution

The fourth proportional to 140,903.10, 211,382.36 and 52,157.37 is: 78,246.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,903.10 : 211,382.36 = 52,157.37 : x
  2. Step 2: Convert to fraction form
    140,903.10/211,382.36 = 52,157.37/x
  3. Step 3: Cross multiply
    140,903.10x = 211,382.36 × 52,157.37
  4. Step 4: Simplify right side
    140,903.10x = 11,025,147,701.21
  5. Step 5: Solve for x
    x = 11,025,147,701.21/140,903.10
  6. Step 6: Final answer
    x = 78,246.31

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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.