Home / 185,445.75-255,916.74-100,562.82

Finding the Fourth Proportional to 185,445.75, 255,916.74 and 100,562.82

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Solution

The fourth proportional to 185,445.75, 255,916.74 and 100,562.82 is: 138,777.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,445.75 : 255,916.74 = 100,562.82 : x
  2. Step 2: Convert to fraction form
    185,445.75/255,916.74 = 100,562.82/x
  3. Step 3: Cross multiply
    185,445.75x = 255,916.74 × 100,562.82
  4. Step 4: Simplify right side
    185,445.75x = 25,735,709,059.61
  5. Step 5: Solve for x
    x = 25,735,709,059.61/185,445.75
  6. Step 6: Final answer
    x = 138,777.56

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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.