Home / 143,181.60-214,773.16-48,412.40

Finding the Fourth Proportional to 143,181.60, 214,773.16 and 48,412.40

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Solution

The fourth proportional to 143,181.60, 214,773.16 and 48,412.40 is: 72,618.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,181.60 : 214,773.16 = 48,412.40 : x
  2. Step 2: Convert to fraction form
    143,181.60/214,773.16 = 48,412.40/x
  3. Step 3: Cross multiply
    143,181.60x = 214,773.16 × 48,412.40
  4. Step 4: Simplify right side
    143,181.60x = 10,397,684,131.18
  5. Step 5: Solve for x
    x = 10,397,684,131.18/143,181.60
  6. Step 6: Final answer
    x = 72,618.86

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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.