Home / 143,566.64-215,374.56-48,786.80

Finding the Fourth Proportional to 143,566.64, 215,374.56 and 48,786.80

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Solution

The fourth proportional to 143,566.64, 215,374.56 and 48,786.80 is: 73,188.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,566.64 : 215,374.56 = 48,786.80 : x
  2. Step 2: Convert to fraction form
    143,566.64/215,374.56 = 48,786.80/x
  3. Step 3: Cross multiply
    143,566.64x = 215,374.56 × 48,786.80
  4. Step 4: Simplify right side
    143,566.64x = 10,507,435,583.81
  5. Step 5: Solve for x
    x = 10,507,435,583.81/143,566.64
  6. Step 6: Final answer
    x = 73,188.56

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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.