Home / 143,933.20-215,899.80-94,069.60

Finding the Fourth Proportional to 143,933.20, 215,899.80 and 94,069.60

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Solution

The fourth proportional to 143,933.20, 215,899.80 and 94,069.60 is: 141,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,933.20 : 215,899.80 = 94,069.60 : x
  2. Step 2: Convert to fraction form
    143,933.20/215,899.80 = 94,069.60/x
  3. Step 3: Cross multiply
    143,933.20x = 215,899.80 × 94,069.60
  4. Step 4: Simplify right side
    143,933.20x = 20,309,607,826.08
  5. Step 5: Solve for x
    x = 20,309,607,826.08/143,933.20
  6. Step 6: Final answer
    x = 141,104.40

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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.