Home / 185,779.30-256,373.99-100,896.37

Finding the Fourth Proportional to 185,779.30, 256,373.99 and 100,896.37

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Solution

The fourth proportional to 185,779.30, 256,373.99 and 100,896.37 is: 139,236.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,779.30 : 256,373.99 = 100,896.37 : x
  2. Step 2: Convert to fraction form
    185,779.30/256,373.99 = 100,896.37/x
  3. Step 3: Cross multiply
    185,779.30x = 256,373.99 × 100,896.37
  4. Step 4: Simplify right side
    185,779.30x = 25,867,204,953.42
  5. Step 5: Solve for x
    x = 25,867,204,953.42/185,779.30
  6. Step 6: Final answer
    x = 139,236.21

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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.