Home / 119,206.34-178,553.55-112,227.38

Finding the Fourth Proportional to 119,206.34, 178,553.55 and 112,227.38

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Solution

The fourth proportional to 119,206.34, 178,553.55 and 112,227.38 is: 168,100.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,206.34 : 178,553.55 = 112,227.38 : x
  2. Step 2: Convert to fraction form
    119,206.34/178,553.55 = 112,227.38/x
  3. Step 3: Cross multiply
    119,206.34x = 178,553.55 × 112,227.38
  4. Step 4: Simplify right side
    119,206.34x = 20,038,597,106.20
  5. Step 5: Solve for x
    x = 20,038,597,106.20/119,206.34
  6. Step 6: Final answer
    x = 168,100.10

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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.