Home / 122,558.55-183,837.83-102,875.55

Finding the Fourth Proportional to 122,558.55, 183,837.83 and 102,875.55

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Solution

The fourth proportional to 122,558.55, 183,837.83 and 102,875.55 is: 154,313.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,558.55 : 183,837.83 = 102,875.55 : x
  2. Step 2: Convert to fraction form
    122,558.55/183,837.83 = 102,875.55/x
  3. Step 3: Cross multiply
    122,558.55x = 183,837.83 × 102,875.55
  4. Step 4: Simplify right side
    122,558.55x = 18,912,417,357.68
  5. Step 5: Solve for x
    x = 18,912,417,357.68/122,558.55
  6. Step 6: Final answer
    x = 154,313.33

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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.