Home / 106,923.60-160,423.80-103,083.60

Finding the Fourth Proportional to 106,923.60, 160,423.80 and 103,083.60

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Solution

The fourth proportional to 106,923.60, 160,423.80 and 103,083.60 is: 154,662.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,923.60 : 160,423.80 = 103,083.60 : x
  2. Step 2: Convert to fraction form
    106,923.60/160,423.80 = 103,083.60/x
  3. Step 3: Cross multiply
    106,923.60x = 160,423.80 × 103,083.60
  4. Step 4: Simplify right side
    106,923.60x = 16,537,062,829.68
  5. Step 5: Solve for x
    x = 16,537,062,829.68/106,923.60
  6. Step 6: Final answer
    x = 154,662.42

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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.