Home / 133,484.23-184,190.43-76,884.67

Finding the Fourth Proportional to 133,484.23, 184,190.43 and 76,884.67

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Solution

The fourth proportional to 133,484.23, 184,190.43 and 76,884.67 is: 106,090.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,484.23 : 184,190.43 = 76,884.67 : x
  2. Step 2: Convert to fraction form
    133,484.23/184,190.43 = 76,884.67/x
  3. Step 3: Cross multiply
    133,484.23x = 184,190.43 × 76,884.67
  4. Step 4: Simplify right side
    133,484.23x = 14,161,420,427.71
  5. Step 5: Solve for x
    x = 14,161,420,427.71/133,484.23
  6. Step 6: Final answer
    x = 106,090.59

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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.