Home / 119,053.60-178,580.40-92,778

Finding the Fourth Proportional to 119,053.60, 178,580.40 and 92,778

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Solution

The fourth proportional to 119,053.60, 178,580.40 and 92,778 is: 139,167.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,053.60 : 178,580.40 = 92,778 : x
  2. Step 2: Convert to fraction form
    119,053.60/178,580.40 = 92,778/x
  3. Step 3: Cross multiply
    119,053.60x = 178,580.40 × 92,778
  4. Step 4: Simplify right side
    119,053.60x = 16,568,332,351.20
  5. Step 5: Solve for x
    x = 16,568,332,351.20/119,053.60
  6. Step 6: Final answer
    x = 139,167.00

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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.