Home / 237,143.21-327,250.67-129,710.91

Finding the Fourth Proportional to 237,143.21, 327,250.67 and 129,710.91

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Solution

The fourth proportional to 237,143.21, 327,250.67 and 129,710.91 is: 178,997.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,143.21 : 327,250.67 = 129,710.91 : x
  2. Step 2: Convert to fraction form
    237,143.21/327,250.67 = 129,710.91/x
  3. Step 3: Cross multiply
    237,143.21x = 327,250.67 × 129,710.91
  4. Step 4: Simplify right side
    237,143.21x = 42,447,982,782.45
  5. Step 5: Solve for x
    x = 42,447,982,782.45/237,143.21
  6. Step 6: Final answer
    x = 178,997.26

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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.