Home / 146,741.56-202,409.26-100,779.02

Finding the Fourth Proportional to 146,741.56, 202,409.26 and 100,779.02

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Solution

The fourth proportional to 146,741.56, 202,409.26 and 100,779.02 is: 139,010.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,741.56 : 202,409.26 = 100,779.02 : x
  2. Step 2: Convert to fraction form
    146,741.56/202,409.26 = 100,779.02/x
  3. Step 3: Cross multiply
    146,741.56x = 202,409.26 × 100,779.02
  4. Step 4: Simplify right side
    146,741.56x = 20,398,607,115.80
  5. Step 5: Solve for x
    x = 20,398,607,115.80/146,741.56
  6. Step 6: Final answer
    x = 139,010.43

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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.