Home / 140,203.38-193,457.83-82,834.77

Finding the Fourth Proportional to 140,203.38, 193,457.83 and 82,834.77

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Solution

The fourth proportional to 140,203.38, 193,457.83 and 82,834.77 is: 114,298.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,203.38 : 193,457.83 = 82,834.77 : x
  2. Step 2: Convert to fraction form
    140,203.38/193,457.83 = 82,834.77/x
  3. Step 3: Cross multiply
    140,203.38x = 193,457.83 × 82,834.77
  4. Step 4: Simplify right side
    140,203.38x = 16,025,034,852.75
  5. Step 5: Solve for x
    x = 16,025,034,852.75/140,203.38
  6. Step 6: Final answer
    x = 114,298.49

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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.