Home / 122,837.56-169,608.23-120,875.79

Finding the Fourth Proportional to 122,837.56, 169,608.23 and 120,875.79

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Solution

The fourth proportional to 122,837.56, 169,608.23 and 120,875.79 is: 166,899.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,837.56 : 169,608.23 = 120,875.79 : x
  2. Step 2: Convert to fraction form
    122,837.56/169,608.23 = 120,875.79/x
  3. Step 3: Cross multiply
    122,837.56x = 169,608.23 × 120,875.79
  4. Step 4: Simplify right side
    122,837.56x = 20,501,529,276.69
  5. Step 5: Solve for x
    x = 20,501,529,276.69/122,837.56
  6. Step 6: Final answer
    x = 166,899.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.