Home / 103,268.80-155,018.40-96,500.80

Finding the Fourth Proportional to 103,268.80, 155,018.40 and 96,500.80

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Solution

The fourth proportional to 103,268.80, 155,018.40 and 96,500.80 is: 144,858.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,268.80 : 155,018.40 = 96,500.80 : x
  2. Step 2: Convert to fraction form
    103,268.80/155,018.40 = 96,500.80/x
  3. Step 3: Cross multiply
    103,268.80x = 155,018.40 × 96,500.80
  4. Step 4: Simplify right side
    103,268.80x = 14,959,399,614.72
  5. Step 5: Solve for x
    x = 14,959,399,614.72/103,268.80
  6. Step 6: Final answer
    x = 144,858.85

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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.