Home / 133,483.23-184,189.05-76,883.67

Finding the Fourth Proportional to 133,483.23, 184,189.05 and 76,883.67

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Solution

The fourth proportional to 133,483.23, 184,189.05 and 76,883.67 is: 106,089.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,483.23 : 184,189.05 = 76,883.67 : x
  2. Step 2: Convert to fraction form
    133,483.23/184,189.05 = 76,883.67/x
  3. Step 3: Cross multiply
    133,483.23x = 184,189.05 × 76,883.67
  4. Step 4: Simplify right side
    133,483.23x = 14,161,130,137.81
  5. Step 5: Solve for x
    x = 14,161,130,137.81/133,483.23
  6. Step 6: Final answer
    x = 106,089.21

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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.