Home / 119,167.90-178,776.36-34,930.78

Finding the Fourth Proportional to 119,167.90, 178,776.36 and 34,930.78

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Solution

The fourth proportional to 119,167.90, 178,776.36 and 34,930.78 is: 52,403.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,167.90 : 178,776.36 = 34,930.78 : x
  2. Step 2: Convert to fraction form
    119,167.90/178,776.36 = 34,930.78/x
  3. Step 3: Cross multiply
    119,167.90x = 178,776.36 × 34,930.78
  4. Step 4: Simplify right side
    119,167.90x = 6,244,797,700.36
  5. Step 5: Solve for x
    x = 6,244,797,700.36/119,167.90
  6. Step 6: Final answer
    x = 52,403.35

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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.