Home / 127,516.02-176,023.96-82,196.52

Finding the Fourth Proportional to 127,516.02, 176,023.96 and 82,196.52

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Solution

The fourth proportional to 127,516.02, 176,023.96 and 82,196.52 is: 113,464.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,516.02 : 176,023.96 = 82,196.52 : x
  2. Step 2: Convert to fraction form
    127,516.02/176,023.96 = 82,196.52/x
  3. Step 3: Cross multiply
    127,516.02x = 176,023.96 × 82,196.52
  4. Step 4: Simplify right side
    127,516.02x = 14,468,556,948.62
  5. Step 5: Solve for x
    x = 14,468,556,948.62/127,516.02
  6. Step 6: Final answer
    x = 113,464.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.