Home / 116,207.02-174,310.54-81,215.02

Finding the Fourth Proportional to 116,207.02, 174,310.54 and 81,215.02

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Solution

The fourth proportional to 116,207.02, 174,310.54 and 81,215.02 is: 121,822.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,207.02 : 174,310.54 = 81,215.02 : x
  2. Step 2: Convert to fraction form
    116,207.02/174,310.54 = 81,215.02/x
  3. Step 3: Cross multiply
    116,207.02x = 174,310.54 × 81,215.02
  4. Step 4: Simplify right side
    116,207.02x = 14,156,633,992.31
  5. Step 5: Solve for x
    x = 14,156,633,992.31/116,207.02
  6. Step 6: Final answer
    x = 121,822.54

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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.