Home / 155,007.04-231,979.70-107,675.52

Finding the Fourth Proportional to 155,007.04, 231,979.70 and 107,675.52

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Solution

The fourth proportional to 155,007.04, 231,979.70 and 107,675.52 is: 161,144.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,007.04 : 231,979.70 = 107,675.52 : x
  2. Step 2: Convert to fraction form
    155,007.04/231,979.70 = 107,675.52/x
  3. Step 3: Cross multiply
    155,007.04x = 231,979.70 × 107,675.52
  4. Step 4: Simplify right side
    155,007.04x = 24,978,534,826.94
  5. Step 5: Solve for x
    x = 24,978,534,826.94/155,007.04
  6. Step 6: Final answer
    x = 161,144.52

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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.