Home / 116,515.08-174,371.03-71,506.56

Finding the Fourth Proportional to 116,515.08, 174,371.03 and 71,506.56

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Solution

The fourth proportional to 116,515.08, 174,371.03 and 71,506.56 is: 107,013.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,515.08 : 174,371.03 = 71,506.56 : x
  2. Step 2: Convert to fraction form
    116,515.08/174,371.03 = 71,506.56/x
  3. Step 3: Cross multiply
    116,515.08x = 174,371.03 × 71,506.56
  4. Step 4: Simplify right side
    116,515.08x = 12,468,672,518.96
  5. Step 5: Solve for x
    x = 12,468,672,518.96/116,515.08
  6. Step 6: Final answer
    x = 107,013.38

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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.