Home / 135,693.45-203,569.34-56,767.05

Finding the Fourth Proportional to 135,693.45, 203,569.34 and 56,767.05

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Solution

The fourth proportional to 135,693.45, 203,569.34 and 56,767.05 is: 85,162.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,693.45 : 203,569.34 = 56,767.05 : x
  2. Step 2: Convert to fraction form
    135,693.45/203,569.34 = 56,767.05/x
  3. Step 3: Cross multiply
    135,693.45x = 203,569.34 × 56,767.05
  4. Step 4: Simplify right side
    135,693.45x = 11,556,030,618.41
  5. Step 5: Solve for x
    x = 11,556,030,618.41/135,693.45
  6. Step 6: Final answer
    x = 85,162.77

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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.