Home / 185,645.12-256,194.90-100,761.98

Finding the Fourth Proportional to 185,645.12, 256,194.90 and 100,761.98

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Solution

The fourth proportional to 185,645.12, 256,194.90 and 100,761.98 is: 139,054.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,645.12 : 256,194.90 = 100,761.98 : x
  2. Step 2: Convert to fraction form
    185,645.12/256,194.90 = 100,761.98/x
  3. Step 3: Cross multiply
    185,645.12x = 256,194.90 × 100,761.98
  4. Step 4: Simplify right side
    185,645.12x = 25,814,704,108.93
  5. Step 5: Solve for x
    x = 25,814,704,108.93/185,645.12
  6. Step 6: Final answer
    x = 139,054.04

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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.