Home / 144,672.40-217,148.67-69,845.07

Finding the Fourth Proportional to 144,672.40, 217,148.67 and 69,845.07

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Solution

The fourth proportional to 144,672.40, 217,148.67 and 69,845.07 is: 104,835.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,672.40 : 217,148.67 = 69,845.07 : x
  2. Step 2: Convert to fraction form
    144,672.40/217,148.67 = 69,845.07/x
  3. Step 3: Cross multiply
    144,672.40x = 217,148.67 × 69,845.07
  4. Step 4: Simplify right side
    144,672.40x = 15,166,764,056.56
  5. Step 5: Solve for x
    x = 15,166,764,056.56/144,672.40
  6. Step 6: Final answer
    x = 104,835.23

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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.