Home / 171,731.34-236,740.41-120,588.30

Finding the Fourth Proportional to 171,731.34, 236,740.41 and 120,588.30

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Solution

The fourth proportional to 171,731.34, 236,740.41 and 120,588.30 is: 166,237.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,731.34 : 236,740.41 = 120,588.30 : x
  2. Step 2: Convert to fraction form
    171,731.34/236,740.41 = 120,588.30/x
  3. Step 3: Cross multiply
    171,731.34x = 236,740.41 × 120,588.30
  4. Step 4: Simplify right side
    171,731.34x = 28,548,123,583.20
  5. Step 5: Solve for x
    x = 28,548,123,583.20/171,731.34
  6. Step 6: Final answer
    x = 166,237.12

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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.