Home / 185,632.08-256,172.44-100,749.12

Finding the Fourth Proportional to 185,632.08, 256,172.44 and 100,749.12

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Solution

The fourth proportional to 185,632.08, 256,172.44 and 100,749.12 is: 139,033.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,632.08 : 256,172.44 = 100,749.12 : x
  2. Step 2: Convert to fraction form
    185,632.08/256,172.44 = 100,749.12/x
  3. Step 3: Cross multiply
    185,632.08x = 256,172.44 × 100,749.12
  4. Step 4: Simplify right side
    185,632.08x = 25,809,147,898.25
  5. Step 5: Solve for x
    x = 25,809,147,898.25/185,632.08
  6. Step 6: Final answer
    x = 139,033.88

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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.