Home / 133,930.08-184,821.94-77,340.24

Finding the Fourth Proportional to 133,930.08, 184,821.94 and 77,340.24

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Solution

The fourth proportional to 133,930.08, 184,821.94 and 77,340.24 is: 106,728.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,930.08 : 184,821.94 = 77,340.24 : x
  2. Step 2: Convert to fraction form
    133,930.08/184,821.94 = 77,340.24/x
  3. Step 3: Cross multiply
    133,930.08x = 184,821.94 × 77,340.24
  4. Step 4: Simplify right side
    133,930.08x = 14,294,173,196.87
  5. Step 5: Solve for x
    x = 14,294,173,196.87/133,930.08
  6. Step 6: Final answer
    x = 106,728.62

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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.