Home / 185,588.15-256,104.79-100,703.39

Finding the Fourth Proportional to 185,588.15, 256,104.79 and 100,703.39

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Solution

The fourth proportional to 185,588.15, 256,104.79 and 100,703.39 is: 138,966.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,588.15 : 256,104.79 = 100,703.39 : x
  2. Step 2: Convert to fraction form
    185,588.15/256,104.79 = 100,703.39/x
  3. Step 3: Cross multiply
    185,588.15x = 256,104.79 × 100,703.39
  4. Step 4: Simplify right side
    185,588.15x = 25,790,619,015.96
  5. Step 5: Solve for x
    x = 25,790,619,015.96/185,588.15
  6. Step 6: Final answer
    x = 138,966.95

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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.