Home / 141,296.40-195,161.40-105,644.25

Finding the Fourth Proportional to 141,296.40, 195,161.40 and 105,644.25

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Solution

The fourth proportional to 141,296.40, 195,161.40 and 105,644.25 is: 145,917.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,296.40 : 195,161.40 = 105,644.25 : x
  2. Step 2: Convert to fraction form
    141,296.40/195,161.40 = 105,644.25/x
  3. Step 3: Cross multiply
    141,296.40x = 195,161.40 × 105,644.25
  4. Step 4: Simplify right side
    141,296.40x = 20,617,679,731.95
  5. Step 5: Solve for x
    x = 20,617,679,731.95/141,296.40
  6. Step 6: Final answer
    x = 145,917.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.