Home / 185,632.56-256,173.18-100,749.62

Finding the Fourth Proportional to 185,632.56, 256,173.18 and 100,749.62

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Solution

The fourth proportional to 185,632.56, 256,173.18 and 100,749.62 is: 139,034.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,632.56 : 256,173.18 = 100,749.62 : x
  2. Step 2: Convert to fraction form
    185,632.56/256,173.18 = 100,749.62/x
  3. Step 3: Cross multiply
    185,632.56x = 256,173.18 × 100,749.62
  4. Step 4: Simplify right side
    185,632.56x = 25,809,351,368.53
  5. Step 5: Solve for x
    x = 25,809,351,368.53/185,632.56
  6. Step 6: Final answer
    x = 139,034.61

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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.