Home / 170,074.08-234,623.71-109,664.12

Finding the Fourth Proportional to 170,074.08, 234,623.71 and 109,664.12

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Solution

The fourth proportional to 170,074.08, 234,623.71 and 109,664.12 is: 151,285.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,074.08 : 234,623.71 = 109,664.12 : x
  2. Step 2: Convert to fraction form
    170,074.08/234,623.71 = 109,664.12/x
  3. Step 3: Cross multiply
    170,074.08x = 234,623.71 × 109,664.12
  4. Step 4: Simplify right side
    170,074.08x = 25,729,803,000.68
  5. Step 5: Solve for x
    x = 25,729,803,000.68/170,074.08
  6. Step 6: Final answer
    x = 151,285.86

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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.