Home / 185,769.90-256,358.25-100,885.14

Finding the Fourth Proportional to 185,769.90, 256,358.25 and 100,885.14

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Solution

The fourth proportional to 185,769.90, 256,358.25 and 100,885.14 is: 139,219.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,769.90 : 256,358.25 = 100,885.14 : x
  2. Step 2: Convert to fraction form
    185,769.90/256,358.25 = 100,885.14/x
  3. Step 3: Cross multiply
    185,769.90x = 256,358.25 × 100,885.14
  4. Step 4: Simplify right side
    185,769.90x = 25,862,737,941.41
  5. Step 5: Solve for x
    x = 25,862,737,941.41/185,769.90
  6. Step 6: Final answer
    x = 139,219.21

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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.