Home / 106,986.84-160,534.90-71,472.44

Finding the Fourth Proportional to 106,986.84, 160,534.90 and 71,472.44

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Solution

The fourth proportional to 106,986.84, 160,534.90 and 71,472.44 is: 107,245.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,986.84 : 160,534.90 = 71,472.44 : x
  2. Step 2: Convert to fraction form
    106,986.84/160,534.90 = 71,472.44/x
  3. Step 3: Cross multiply
    106,986.84x = 160,534.90 × 71,472.44
  4. Step 4: Simplify right side
    106,986.84x = 11,473,821,008.16
  5. Step 5: Solve for x
    x = 11,473,821,008.16/106,986.84
  6. Step 6: Final answer
    x = 107,245.16

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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.