Home / 133,082.18-199,457.16-66,541.34

Finding the Fourth Proportional to 133,082.18, 199,457.16 and 66,541.34

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Solution

The fourth proportional to 133,082.18, 199,457.16 and 66,541.34 is: 99,728.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,082.18 : 199,457.16 = 66,541.34 : x
  2. Step 2: Convert to fraction form
    133,082.18/199,457.16 = 66,541.34/x
  3. Step 3: Cross multiply
    133,082.18x = 199,457.16 × 66,541.34
  4. Step 4: Simplify right side
    133,082.18x = 13,272,146,948.11
  5. Step 5: Solve for x
    x = 13,272,146,948.11/133,082.18
  6. Step 6: Final answer
    x = 99,728.96

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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.