Home / 237,048.75-327,127.25-129,618.86

Finding the Fourth Proportional to 237,048.75, 327,127.25 and 129,618.86

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Solution

The fourth proportional to 237,048.75, 327,127.25 and 129,618.86 is: 178,874.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,048.75 : 327,127.25 = 129,618.86 : x
  2. Step 2: Convert to fraction form
    237,048.75/327,127.25 = 129,618.86/x
  3. Step 3: Cross multiply
    237,048.75x = 327,127.25 × 129,618.86
  4. Step 4: Simplify right side
    237,048.75x = 42,401,858,936.20
  5. Step 5: Solve for x
    x = 42,401,858,936.20/237,048.75
  6. Step 6: Final answer
    x = 178,874.00

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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.