Home / 135,421.36-203,180.76-60,535.36

Finding the Fourth Proportional to 135,421.36, 203,180.76 and 60,535.36

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Solution

The fourth proportional to 135,421.36, 203,180.76 and 60,535.36 is: 90,824.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,421.36 : 203,180.76 = 60,535.36 : x
  2. Step 2: Convert to fraction form
    135,421.36/203,180.76 = 60,535.36/x
  3. Step 3: Cross multiply
    135,421.36x = 203,180.76 × 60,535.36
  4. Step 4: Simplify right side
    135,421.36x = 12,299,620,451.67
  5. Step 5: Solve for x
    x = 12,299,620,451.67/135,421.36
  6. Step 6: Final answer
    x = 90,824.82

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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.