Home / 170,940.20-235,894.02-103,893.80

Finding the Fourth Proportional to 170,940.20, 235,894.02 and 103,893.80

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Solution

The fourth proportional to 170,940.20, 235,894.02 and 103,893.80 is: 143,371.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,940.20 : 235,894.02 = 103,893.80 : x
  2. Step 2: Convert to fraction form
    170,940.20/235,894.02 = 103,893.80/x
  3. Step 3: Cross multiply
    170,940.20x = 235,894.02 × 103,893.80
  4. Step 4: Simplify right side
    170,940.20x = 24,507,926,135.08
  5. Step 5: Solve for x
    x = 24,507,926,135.08/170,940.20
  6. Step 6: Final answer
    x = 143,371.34

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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.