Home / 119,082.71-178,457.27-89,481.66

Finding the Fourth Proportional to 119,082.71, 178,457.27 and 89,481.66

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Solution

The fourth proportional to 119,082.71, 178,457.27 and 89,481.66 is: 134,097.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,082.71 : 178,457.27 = 89,481.66 : x
  2. Step 2: Convert to fraction form
    119,082.71/178,457.27 = 89,481.66/x
  3. Step 3: Cross multiply
    119,082.71x = 178,457.27 × 89,481.66
  4. Step 4: Simplify right side
    119,082.71x = 15,968,652,311.26
  5. Step 5: Solve for x
    x = 15,968,652,311.26/119,082.71
  6. Step 6: Final answer
    x = 134,097.16

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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.