Home / 185,636.53-256,178.37-100,753.60

Finding the Fourth Proportional to 185,636.53, 256,178.37 and 100,753.60

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Solution

The fourth proportional to 185,636.53, 256,178.37 and 100,753.60 is: 139,039.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,636.53 : 256,178.37 = 100,753.60 : x
  2. Step 2: Convert to fraction form
    185,636.53/256,178.37 = 100,753.60/x
  3. Step 3: Cross multiply
    185,636.53x = 256,178.37 × 100,753.60
  4. Step 4: Simplify right side
    185,636.53x = 25,810,893,019.63
  5. Step 5: Solve for x
    x = 25,810,893,019.63/185,636.53
  6. Step 6: Final answer
    x = 139,039.95

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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.