Home / 135,741.16-203,672.22-52,641.64

Finding the Fourth Proportional to 135,741.16, 203,672.22 and 52,641.64

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Solution

The fourth proportional to 135,741.16, 203,672.22 and 52,641.64 is: 78,985.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,741.16 : 203,672.22 = 52,641.64 : x
  2. Step 2: Convert to fraction form
    135,741.16/203,672.22 = 52,641.64/x
  3. Step 3: Cross multiply
    135,741.16x = 203,672.22 × 52,641.64
  4. Step 4: Simplify right side
    135,741.16x = 10,721,639,683.24
  5. Step 5: Solve for x
    x = 10,721,639,683.24/135,741.16
  6. Step 6: Final answer
    x = 78,985.91

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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.