Home / 135,835.50-203,764.50-42,341.26

Finding the Fourth Proportional to 135,835.50, 203,764.50 and 42,341.26

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Solution

The fourth proportional to 135,835.50, 203,764.50 and 42,341.26 is: 63,515.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,835.50 : 203,764.50 = 42,341.26 : x
  2. Step 2: Convert to fraction form
    135,835.50/203,764.50 = 42,341.26/x
  3. Step 3: Cross multiply
    135,835.50x = 203,764.50 × 42,341.26
  4. Step 4: Simplify right side
    135,835.50x = 8,627,645,673.27
  5. Step 5: Solve for x
    x = 8,627,645,673.27/135,835.50
  6. Step 6: Final answer
    x = 63,515.40

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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.