Home / 101,168.20-151,752.30-92,638.90

Finding the Fourth Proportional to 101,168.20, 151,752.30 and 92,638.90

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Solution

The fourth proportional to 101,168.20, 151,752.30 and 92,638.90 is: 138,958.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,168.20 : 151,752.30 = 92,638.90 : x
  2. Step 2: Convert to fraction form
    101,168.20/151,752.30 = 92,638.90/x
  3. Step 3: Cross multiply
    101,168.20x = 151,752.30 × 92,638.90
  4. Step 4: Simplify right side
    101,168.20x = 14,058,166,144.47
  5. Step 5: Solve for x
    x = 14,058,166,144.47/101,168.20
  6. Step 6: Final answer
    x = 138,958.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.