Home / 185,895.30-256,538.70-105,320.82

Finding the Fourth Proportional to 185,895.30, 256,538.70 and 105,320.82

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Solution

The fourth proportional to 185,895.30, 256,538.70 and 105,320.82 is: 145,344.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,895.30 : 256,538.70 = 105,320.82 : x
  2. Step 2: Convert to fraction form
    185,895.30/256,538.70 = 105,320.82/x
  3. Step 3: Cross multiply
    185,895.30x = 256,538.70 × 105,320.82
  4. Step 4: Simplify right side
    185,895.30x = 27,018,866,245.73
  5. Step 5: Solve for x
    x = 27,018,866,245.73/185,895.30
  6. Step 6: Final answer
    x = 145,344.54

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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.