Home / 105,028.86-157,605.60-98,379.36

Finding the Fourth Proportional to 105,028.86, 157,605.60 and 98,379.36

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Solution

The fourth proportional to 105,028.86, 157,605.60 and 98,379.36 is: 147,627.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,028.86 : 157,605.60 = 98,379.36 : x
  2. Step 2: Convert to fraction form
    105,028.86/157,605.60 = 98,379.36/x
  3. Step 3: Cross multiply
    105,028.86x = 157,605.60 × 98,379.36
  4. Step 4: Simplify right side
    105,028.86x = 15,505,138,060.42
  5. Step 5: Solve for x
    x = 15,505,138,060.42/105,028.86
  6. Step 6: Final answer
    x = 147,627.41

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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.