Home / 116,211.40-174,414.30-53,128.60

Finding the Fourth Proportional to 116,211.40, 174,414.30 and 53,128.60

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Solution

The fourth proportional to 116,211.40, 174,414.30 and 53,128.60 is: 79,737.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,211.40 : 174,414.30 = 53,128.60 : x
  2. Step 2: Convert to fraction form
    116,211.40/174,414.30 = 53,128.60/x
  3. Step 3: Cross multiply
    116,211.40x = 174,414.30 × 53,128.60
  4. Step 4: Simplify right side
    116,211.40x = 9,266,387,578.98
  5. Step 5: Solve for x
    x = 9,266,387,578.98/116,211.40
  6. Step 6: Final answer
    x = 79,737.34

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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.