Home / 185,615.28-256,146.72-100,735.44

Finding the Fourth Proportional to 185,615.28, 256,146.72 and 100,735.44

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Solution

The fourth proportional to 185,615.28, 256,146.72 and 100,735.44 is: 139,013.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,615.28 : 256,146.72 = 100,735.44 : x
  2. Step 2: Convert to fraction form
    185,615.28/256,146.72 = 100,735.44/x
  3. Step 3: Cross multiply
    185,615.28x = 256,146.72 × 100,735.44
  4. Step 4: Simplify right side
    185,615.28x = 25,803,052,543.76
  5. Step 5: Solve for x
    x = 25,803,052,543.76/185,615.28
  6. Step 6: Final answer
    x = 139,013.62

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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.