Home / 185,748.70-256,336.19-105,174.07

Finding the Fourth Proportional to 185,748.70, 256,336.19 and 105,174.07

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Solution

The fourth proportional to 185,748.70, 256,336.19 and 105,174.07 is: 145,141.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,748.70 : 256,336.19 = 105,174.07 : x
  2. Step 2: Convert to fraction form
    185,748.70/256,336.19 = 105,174.07/x
  3. Step 3: Cross multiply
    185,748.70x = 256,336.19 × 105,174.07
  4. Step 4: Simplify right side
    185,748.70x = 26,959,919,864.72
  5. Step 5: Solve for x
    x = 26,959,919,864.72/185,748.70
  6. Step 6: Final answer
    x = 145,141.90

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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.