Home / 133,622.10-184,414.05-77,035.50

Finding the Fourth Proportional to 133,622.10, 184,414.05 and 77,035.50

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Solution

The fourth proportional to 133,622.10, 184,414.05 and 77,035.50 is: 106,317.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,622.10 : 184,414.05 = 77,035.50 : x
  2. Step 2: Convert to fraction form
    133,622.10/184,414.05 = 77,035.50/x
  3. Step 3: Cross multiply
    133,622.10x = 184,414.05 × 77,035.50
  4. Step 4: Simplify right side
    133,622.10x = 14,206,428,548.78
  5. Step 5: Solve for x
    x = 14,206,428,548.78/133,622.10
  6. Step 6: Final answer
    x = 106,317.96

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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.