Home / 133,861.02-184,677.21-85,464.72

Finding the Fourth Proportional to 133,861.02, 184,677.21 and 85,464.72

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Solution

The fourth proportional to 133,861.02, 184,677.21 and 85,464.72 is: 117,908.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,861.02 : 184,677.21 = 85,464.72 : x
  2. Step 2: Convert to fraction form
    133,861.02/184,677.21 = 85,464.72/x
  3. Step 3: Cross multiply
    133,861.02x = 184,677.21 × 85,464.72
  4. Step 4: Simplify right side
    133,861.02x = 15,783,386,043.03
  5. Step 5: Solve for x
    x = 15,783,386,043.03/133,861.02
  6. Step 6: Final answer
    x = 117,908.75

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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.