Home / 185,567.96-256,086.77-100,685.03

Finding the Fourth Proportional to 185,567.96, 256,086.77 and 100,685.03

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Solution

The fourth proportional to 185,567.96, 256,086.77 and 100,685.03 is: 138,946.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,567.96 : 256,086.77 = 100,685.03 : x
  2. Step 2: Convert to fraction form
    185,567.96/256,086.77 = 100,685.03/x
  3. Step 3: Cross multiply
    185,567.96x = 256,086.77 × 100,685.03
  4. Step 4: Simplify right side
    185,567.96x = 25,784,102,336.19
  5. Step 5: Solve for x
    x = 25,784,102,336.19/185,567.96
  6. Step 6: Final answer
    x = 138,946.95

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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.