Home / 155,806.24-233,644.56-67,012.96

Finding the Fourth Proportional to 155,806.24, 233,644.56 and 67,012.96

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Solution

The fourth proportional to 155,806.24, 233,644.56 and 67,012.96 is: 100,491.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,806.24 : 233,644.56 = 67,012.96 : x
  2. Step 2: Convert to fraction form
    155,806.24/233,644.56 = 67,012.96/x
  3. Step 3: Cross multiply
    155,806.24x = 233,644.56 × 67,012.96
  4. Step 4: Simplify right side
    155,806.24x = 15,657,213,553.50
  5. Step 5: Solve for x
    x = 15,657,213,553.50/155,806.24
  6. Step 6: Final answer
    x = 100,491.57

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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.