Home / 133,680.65-184,536.23-90,082.80

Finding the Fourth Proportional to 133,680.65, 184,536.23 and 90,082.80

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Solution

The fourth proportional to 133,680.65, 184,536.23 and 90,082.80 is: 124,352.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,680.65 : 184,536.23 = 90,082.80 : x
  2. Step 2: Convert to fraction form
    133,680.65/184,536.23 = 90,082.80/x
  3. Step 3: Cross multiply
    133,680.65x = 184,536.23 × 90,082.80
  4. Step 4: Simplify right side
    133,680.65x = 16,623,539,849.43
  5. Step 5: Solve for x
    x = 16,623,539,849.43/133,680.65
  6. Step 6: Final answer
    x = 124,352.63

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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.