Home / 135,570.66-203,317.10-52,445.22

Finding the Fourth Proportional to 135,570.66, 203,317.10 and 52,445.22

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Solution

The fourth proportional to 135,570.66, 203,317.10 and 52,445.22 is: 78,652.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,570.66 : 203,317.10 = 52,445.22 : x
  2. Step 2: Convert to fraction form
    135,570.66/203,317.10 = 52,445.22/x
  3. Step 3: Cross multiply
    135,570.66x = 203,317.10 × 52,445.22
  4. Step 4: Simplify right side
    135,570.66x = 10,663,010,039.26
  5. Step 5: Solve for x
    x = 10,663,010,039.26/135,570.66
  6. Step 6: Final answer
    x = 78,652.79

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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.