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Finding the Fourth Proportional to 143,193.64, 214,829.34 and 43,357.18

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Solution

The fourth proportional to 143,193.64, 214,829.34 and 43,357.18 is: 65,047.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,193.64 : 214,829.34 = 43,357.18 : x
  2. Step 2: Convert to fraction form
    143,193.64/214,829.34 = 43,357.18/x
  3. Step 3: Cross multiply
    143,193.64x = 214,829.34 × 43,357.18
  4. Step 4: Simplify right side
    143,193.64x = 9,314,394,363.66
  5. Step 5: Solve for x
    x = 9,314,394,363.66/143,193.64
  6. Step 6: Final answer
    x = 65,047.54

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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.