Home / 133,082.43-199,457.53-66,541.59

Finding the Fourth Proportional to 133,082.43, 199,457.53 and 66,541.59

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Solution

The fourth proportional to 133,082.43, 199,457.53 and 66,541.59 is: 99,729.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,082.43 : 199,457.53 = 66,541.59 : x
  2. Step 2: Convert to fraction form
    133,082.43/199,457.53 = 66,541.59/x
  3. Step 3: Cross multiply
    133,082.43x = 199,457.53 × 66,541.59
  4. Step 4: Simplify right side
    133,082.43x = 13,272,221,515.96
  5. Step 5: Solve for x
    x = 13,272,221,515.96/133,082.43
  6. Step 6: Final answer
    x = 99,729.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.