Home / 185,592.15-256,117.83-100,709.19

Finding the Fourth Proportional to 185,592.15, 256,117.83 and 100,709.19

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Solution

The fourth proportional to 185,592.15, 256,117.83 and 100,709.19 is: 138,979.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,592.15 : 256,117.83 = 100,709.19 : x
  2. Step 2: Convert to fraction form
    185,592.15/256,117.83 = 100,709.19/x
  3. Step 3: Cross multiply
    185,592.15x = 256,117.83 × 100,709.19
  4. Step 4: Simplify right side
    185,592.15x = 25,793,419,203.86
  5. Step 5: Solve for x
    x = 25,793,419,203.86/185,592.15
  6. Step 6: Final answer
    x = 138,979.04

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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.