Home / 119,155.05-178,534.53-84,022.11

Finding the Fourth Proportional to 119,155.05, 178,534.53 and 84,022.11

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Solution

The fourth proportional to 119,155.05, 178,534.53 and 84,022.11 is: 125,893.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,155.05 : 178,534.53 = 84,022.11 : x
  2. Step 2: Convert to fraction form
    119,155.05/178,534.53 = 84,022.11/x
  3. Step 3: Cross multiply
    119,155.05x = 178,534.53 × 84,022.11
  4. Step 4: Simplify right side
    119,155.05x = 15,000,847,918.46
  5. Step 5: Solve for x
    x = 15,000,847,918.46/119,155.05
  6. Step 6: Final answer
    x = 125,893.51

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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.