Home / 117,927.20-176,631.60-71,098.40

Finding the Fourth Proportional to 117,927.20, 176,631.60 and 71,098.40

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Solution

The fourth proportional to 117,927.20, 176,631.60 and 71,098.40 is: 106,491.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,927.20 : 176,631.60 = 71,098.40 : x
  2. Step 2: Convert to fraction form
    117,927.20/176,631.60 = 71,098.40/x
  3. Step 3: Cross multiply
    117,927.20x = 176,631.60 × 71,098.40
  4. Step 4: Simplify right side
    117,927.20x = 12,558,224,149.44
  5. Step 5: Solve for x
    x = 12,558,224,149.44/117,927.20
  6. Step 6: Final answer
    x = 106,491.33

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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.