Home / 133,485.10-184,147.20-76,863.66

Finding the Fourth Proportional to 133,485.10, 184,147.20 and 76,863.66

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Solution

The fourth proportional to 133,485.10, 184,147.20 and 76,863.66 is: 106,036.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,485.10 : 184,147.20 = 76,863.66 : x
  2. Step 2: Convert to fraction form
    133,485.10/184,147.20 = 76,863.66/x
  3. Step 3: Cross multiply
    133,485.10x = 184,147.20 × 76,863.66
  4. Step 4: Simplify right side
    133,485.10x = 14,154,227,770.75
  5. Step 5: Solve for x
    x = 14,154,227,770.75/133,485.10
  6. Step 6: Final answer
    x = 106,036.01

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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.