Home / 237,415.98-327,634.38-129,986.76

Finding the Fourth Proportional to 237,415.98, 327,634.38 and 129,986.76

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Solution

The fourth proportional to 237,415.98, 327,634.38 and 129,986.76 is: 179,381.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,415.98 : 327,634.38 = 129,986.76 : x
  2. Step 2: Convert to fraction form
    237,415.98/327,634.38 = 129,986.76/x
  3. Step 3: Cross multiply
    237,415.98x = 327,634.38 × 129,986.76
  4. Step 4: Simplify right side
    237,415.98x = 42,588,131,520.81
  5. Step 5: Solve for x
    x = 42,588,131,520.81/237,415.98
  6. Step 6: Final answer
    x = 179,381.91

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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.