Home / 133,388.14-184,081.53-76,817.74

Finding the Fourth Proportional to 133,388.14, 184,081.53 and 76,817.74

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Solution

The fourth proportional to 133,388.14, 184,081.53 and 76,817.74 is: 106,011.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,388.14 : 184,081.53 = 76,817.74 : x
  2. Step 2: Convert to fraction form
    133,388.14/184,081.53 = 76,817.74/x
  3. Step 3: Cross multiply
    133,388.14x = 184,081.53 × 76,817.74
  4. Step 4: Simplify right side
    133,388.14x = 14,140,727,110.34
  5. Step 5: Solve for x
    x = 14,140,727,110.34/133,388.14
  6. Step 6: Final answer
    x = 106,011.88

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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.