Home / 185,748.33-256,335.67-105,173.70

Finding the Fourth Proportional to 185,748.33, 256,335.67 and 105,173.70

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Solution

The fourth proportional to 185,748.33, 256,335.67 and 105,173.70 is: 145,141.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,748.33 : 256,335.67 = 105,173.70 : x
  2. Step 2: Convert to fraction form
    185,748.33/256,335.67 = 105,173.70/x
  3. Step 3: Cross multiply
    185,748.33x = 256,335.67 × 105,173.70
  4. Step 4: Simplify right side
    185,748.33x = 26,959,770,855.88
  5. Step 5: Solve for x
    x = 26,959,770,855.88/185,748.33
  6. Step 6: Final answer
    x = 145,141.39

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1.5x scale

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.