Home / 143,062.87-214,594.33-54,316.42

Finding the Fourth Proportional to 143,062.87, 214,594.33 and 54,316.42

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Solution

The fourth proportional to 143,062.87, 214,594.33 and 54,316.42 is: 81,474.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,062.87 : 214,594.33 = 54,316.42 : x
  2. Step 2: Convert to fraction form
    143,062.87/214,594.33 = 54,316.42/x
  3. Step 3: Cross multiply
    143,062.87x = 214,594.33 × 54,316.42
  4. Step 4: Simplify right side
    143,062.87x = 11,655,996,165.41
  5. Step 5: Solve for x
    x = 11,655,996,165.41/143,062.87
  6. Step 6: Final answer
    x = 81,474.64

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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.