Home / 133,351.20-184,049.28-85,664.16

Finding the Fourth Proportional to 133,351.20, 184,049.28 and 85,664.16

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Solution

The fourth proportional to 133,351.20, 184,049.28 and 85,664.16 is: 118,232.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,351.20 : 184,049.28 = 85,664.16 : x
  2. Step 2: Convert to fraction form
    133,351.20/184,049.28 = 85,664.16/x
  3. Step 3: Cross multiply
    133,351.20x = 184,049.28 × 85,664.16
  4. Step 4: Simplify right side
    133,351.20x = 15,766,426,969.80
  5. Step 5: Solve for x
    x = 15,766,426,969.80/133,351.20
  6. Step 6: Final answer
    x = 118,232.36

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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.