Home / 133,819.53-184,670.73-77,230.91

Finding the Fourth Proportional to 133,819.53, 184,670.73 and 77,230.91

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Solution

The fourth proportional to 133,819.53, 184,670.73 and 77,230.91 is: 106,578.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,819.53 : 184,670.73 = 77,230.91 : x
  2. Step 2: Convert to fraction form
    133,819.53/184,670.73 = 77,230.91/x
  3. Step 3: Cross multiply
    133,819.53x = 184,670.73 × 77,230.91
  4. Step 4: Simplify right side
    133,819.53x = 14,262,287,604.91
  5. Step 5: Solve for x
    x = 14,262,287,604.91/133,819.53
  6. Step 6: Final answer
    x = 106,578.52

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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.