Home / 185,914.44-256,530.24-105,325.31

Finding the Fourth Proportional to 185,914.44, 256,530.24 and 105,325.31

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Solution

The fourth proportional to 185,914.44, 256,530.24 and 105,325.31 is: 145,330.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,914.44 : 256,530.24 = 105,325.31 : x
  2. Step 2: Convert to fraction form
    185,914.44/256,530.24 = 105,325.31/x
  3. Step 3: Cross multiply
    185,914.44x = 256,530.24 × 105,325.31
  4. Step 4: Simplify right side
    185,914.44x = 27,019,127,693.70
  5. Step 5: Solve for x
    x = 27,019,127,693.70/185,914.44
  6. Step 6: Final answer
    x = 145,330.98

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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.