Home / 185,949.72-256,609.59-105,392.48

Finding the Fourth Proportional to 185,949.72, 256,609.59 and 105,392.48

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Solution

The fourth proportional to 185,949.72, 256,609.59 and 105,392.48 is: 145,441.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,949.72 : 256,609.59 = 105,392.48 : x
  2. Step 2: Convert to fraction form
    185,949.72/256,609.59 = 105,392.48/x
  3. Step 3: Cross multiply
    185,949.72x = 256,609.59 × 105,392.48
  4. Step 4: Simplify right side
    185,949.72x = 27,044,719,798.84
  5. Step 5: Solve for x
    x = 27,044,719,798.84/185,949.72
  6. Step 6: Final answer
    x = 145,441.04

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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.