Home / 237,415.20-327,855-152,679.36

Finding the Fourth Proportional to 237,415.20, 327,855 and 152,679.36

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Solution

The fourth proportional to 237,415.20, 327,855 and 152,679.36 is: 210,840.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,415.20 : 327,855 = 152,679.36 : x
  2. Step 2: Convert to fraction form
    237,415.20/327,855 = 152,679.36/x
  3. Step 3: Cross multiply
    237,415.20x = 327,855 × 152,679.36
  4. Step 4: Simplify right side
    237,415.20x = 50,056,691,572.80
  5. Step 5: Solve for x
    x = 50,056,691,572.80/237,415.20
  6. Step 6: Final answer
    x = 210,840.30

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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.