Home / 133,788.13-184,620.51-76,416.18

Finding the Fourth Proportional to 133,788.13, 184,620.51 and 76,416.18

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Solution

The fourth proportional to 133,788.13, 184,620.51 and 76,416.18 is: 105,450.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,788.13 : 184,620.51 = 76,416.18 : x
  2. Step 2: Convert to fraction form
    133,788.13/184,620.51 = 76,416.18/x
  3. Step 3: Cross multiply
    133,788.13x = 184,620.51 × 76,416.18
  4. Step 4: Simplify right side
    133,788.13x = 14,107,994,123.85
  5. Step 5: Solve for x
    x = 14,107,994,123.85/133,788.13
  6. Step 6: Final answer
    x = 105,450.27

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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.