Home / 211,768.38-317,661.20-54,000.92

Finding the Fourth Proportional to 211,768.38, 317,661.20 and 54,000.92

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Solution

The fourth proportional to 211,768.38, 317,661.20 and 54,000.92 is: 81,003.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,768.38 : 317,661.20 = 54,000.92 : x
  2. Step 2: Convert to fraction form
    211,768.38/317,661.20 = 54,000.92/x
  3. Step 3: Cross multiply
    211,768.38x = 317,661.20 × 54,000.92
  4. Step 4: Simplify right side
    211,768.38x = 17,153,997,048.30
  5. Step 5: Solve for x
    x = 17,153,997,048.30/211,768.38
  6. Step 6: Final answer
    x = 81,003.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.