Home / 185,793.37-256,501.08-122,315.69

Finding the Fourth Proportional to 185,793.37, 256,501.08 and 122,315.69

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Solution

The fourth proportional to 185,793.37, 256,501.08 and 122,315.69 is: 168,865.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,793.37 : 256,501.08 = 122,315.69 : x
  2. Step 2: Convert to fraction form
    185,793.37/256,501.08 = 122,315.69/x
  3. Step 3: Cross multiply
    185,793.37x = 256,501.08 × 122,315.69
  4. Step 4: Simplify right side
    185,793.37x = 31,374,105,974.37
  5. Step 5: Solve for x
    x = 31,374,105,974.37/185,793.37
  6. Step 6: Final answer
    x = 168,865.59

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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.