Home / 185,836.63-256,453.14-100,954.30

Finding the Fourth Proportional to 185,836.63, 256,453.14 and 100,954.30

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Solution

The fourth proportional to 185,836.63, 256,453.14 and 100,954.30 is: 139,316.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,836.63 : 256,453.14 = 100,954.30 : x
  2. Step 2: Convert to fraction form
    185,836.63/256,453.14 = 100,954.30/x
  3. Step 3: Cross multiply
    185,836.63x = 256,453.14 × 100,954.30
  4. Step 4: Simplify right side
    185,836.63x = 25,890,047,231.50
  5. Step 5: Solve for x
    x = 25,890,047,231.50/185,836.63
  6. Step 6: Final answer
    x = 139,316.17

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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.