Home / 185,748.45-256,335.84-105,173.82

Finding the Fourth Proportional to 185,748.45, 256,335.84 and 105,173.82

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Solution

The fourth proportional to 185,748.45, 256,335.84 and 105,173.82 is: 145,141.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,748.45 : 256,335.84 = 105,173.82 : x
  2. Step 2: Convert to fraction form
    185,748.45/256,335.84 = 105,173.82/x
  3. Step 3: Cross multiply
    185,748.45x = 256,335.84 × 105,173.82
  4. Step 4: Simplify right side
    185,748.45x = 26,959,819,495.71
  5. Step 5: Solve for x
    x = 26,959,819,495.71/185,748.45
  6. Step 6: Final answer
    x = 145,141.56

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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.