Home / 133,601.28-184,403.04-77,046.72

Finding the Fourth Proportional to 133,601.28, 184,403.04 and 77,046.72

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Solution

The fourth proportional to 133,601.28, 184,403.04 and 77,046.72 is: 106,343.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,601.28 : 184,403.04 = 77,046.72 : x
  2. Step 2: Convert to fraction form
    133,601.28/184,403.04 = 77,046.72/x
  3. Step 3: Cross multiply
    133,601.28x = 184,403.04 × 77,046.72
  4. Step 4: Simplify right side
    133,601.28x = 14,207,649,390.03
  5. Step 5: Solve for x
    x = 14,207,649,390.03/133,601.28
  6. Step 6: Final answer
    x = 106,343.66

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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.