Home / 140,215.66-193,502.19-76,558.30

Finding the Fourth Proportional to 140,215.66, 193,502.19 and 76,558.30

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Solution

The fourth proportional to 140,215.66, 193,502.19 and 76,558.30 is: 105,652.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,215.66 : 193,502.19 = 76,558.30 : x
  2. Step 2: Convert to fraction form
    140,215.66/193,502.19 = 76,558.30/x
  3. Step 3: Cross multiply
    140,215.66x = 193,502.19 × 76,558.30
  4. Step 4: Simplify right side
    140,215.66x = 14,814,198,712.68
  5. Step 5: Solve for x
    x = 14,814,198,712.68/140,215.66
  6. Step 6: Final answer
    x = 105,652.95

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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.