Home / 170,458.54-235,135.25-106,685.62

Finding the Fourth Proportional to 170,458.54, 235,135.25 and 106,685.62

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Solution

The fourth proportional to 170,458.54, 235,135.25 and 106,685.62 is: 147,165.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,458.54 : 235,135.25 = 106,685.62 : x
  2. Step 2: Convert to fraction form
    170,458.54/235,135.25 = 106,685.62/x
  3. Step 3: Cross multiply
    170,458.54x = 235,135.25 × 106,685.62
  4. Step 4: Simplify right side
    170,458.54x = 25,085,549,396.68
  5. Step 5: Solve for x
    x = 25,085,549,396.68/170,458.54
  6. Step 6: Final answer
    x = 147,165.11

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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.