Home / 144,933.20-217,437.60-56,189.60

Finding the Fourth Proportional to 144,933.20, 217,437.60 and 56,189.60

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Solution

The fourth proportional to 144,933.20, 217,437.60 and 56,189.60 is: 84,299.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,933.20 : 217,437.60 = 56,189.60 : x
  2. Step 2: Convert to fraction form
    144,933.20/217,437.60 = 56,189.60/x
  3. Step 3: Cross multiply
    144,933.20x = 217,437.60 × 56,189.60
  4. Step 4: Simplify right side
    144,933.20x = 12,217,731,768.96
  5. Step 5: Solve for x
    x = 12,217,731,768.96/144,933.20
  6. Step 6: Final answer
    x = 84,299.05

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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.