Home / 185,916.94-256,533.69-105,327.82

Finding the Fourth Proportional to 185,916.94, 256,533.69 and 105,327.82

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Solution

The fourth proportional to 185,916.94, 256,533.69 and 105,327.82 is: 145,334.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,916.94 : 256,533.69 = 105,327.82 : x
  2. Step 2: Convert to fraction form
    185,916.94/256,533.69 = 105,327.82/x
  3. Step 3: Cross multiply
    185,916.94x = 256,533.69 × 105,327.82
  4. Step 4: Simplify right side
    185,916.94x = 27,020,134,324.26
  5. Step 5: Solve for x
    x = 27,020,134,324.26/185,916.94
  6. Step 6: Final answer
    x = 145,334.44

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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.