Home / 143,750.50-215,340.53-67,744.96

Finding the Fourth Proportional to 143,750.50, 215,340.53 and 67,744.96

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Solution

The fourth proportional to 143,750.50, 215,340.53 and 67,744.96 is: 101,483.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,750.50 : 215,340.53 = 67,744.96 : x
  2. Step 2: Convert to fraction form
    143,750.50/215,340.53 = 67,744.96/x
  3. Step 3: Cross multiply
    143,750.50x = 215,340.53 × 67,744.96
  4. Step 4: Simplify right side
    143,750.50x = 14,588,235,591.23
  5. Step 5: Solve for x
    x = 14,588,235,591.23/143,750.50
  6. Step 6: Final answer
    x = 101,483.03

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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.