Home / 185,824.38-256,431.78-105,259.36

Finding the Fourth Proportional to 185,824.38, 256,431.78 and 105,259.36

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Solution

The fourth proportional to 185,824.38, 256,431.78 and 105,259.36 is: 145,254.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,824.38 : 256,431.78 = 105,259.36 : x
  2. Step 2: Convert to fraction form
    185,824.38/256,431.78 = 105,259.36/x
  3. Step 3: Cross multiply
    185,824.38x = 256,431.78 × 105,259.36
  4. Step 4: Simplify right side
    185,824.38x = 26,991,845,046.46
  5. Step 5: Solve for x
    x = 26,991,845,046.46/185,824.38
  6. Step 6: Final answer
    x = 145,254.59

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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.