Home / 185,652.40-256,204.94-100,769.28

Finding the Fourth Proportional to 185,652.40, 256,204.94 and 100,769.28

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Solution

The fourth proportional to 185,652.40, 256,204.94 and 100,769.28 is: 139,064.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,652.40 : 256,204.94 = 100,769.28 : x
  2. Step 2: Convert to fraction form
    185,652.40/256,204.94 = 100,769.28/x
  3. Step 3: Cross multiply
    185,652.40x = 256,204.94 × 100,769.28
  4. Step 4: Simplify right side
    185,652.40x = 25,817,587,336.24
  5. Step 5: Solve for x
    x = 25,817,587,336.24/185,652.40
  6. Step 6: Final answer
    x = 139,064.12

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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.