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Finding the Fourth Proportional to 185,636.54, 256,157.16 and 103,953.40

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Solution

The fourth proportional to 185,636.54, 256,157.16 and 103,953.40 is: 143,443.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,636.54 : 256,157.16 = 103,953.40 : x
  2. Step 2: Convert to fraction form
    185,636.54/256,157.16 = 103,953.40/x
  3. Step 3: Cross multiply
    185,636.54x = 256,157.16 × 103,953.40
  4. Step 4: Simplify right side
    185,636.54x = 26,628,407,716.34
  5. Step 5: Solve for x
    x = 26,628,407,716.34/185,636.54
  6. Step 6: Final answer
    x = 143,443.78

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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.