Home / 108,029.10-161,715.60-96,219.30

Finding the Fourth Proportional to 108,029.10, 161,715.60 and 96,219.30

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Solution

The fourth proportional to 108,029.10, 161,715.60 and 96,219.30 is: 144,036.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,029.10 : 161,715.60 = 96,219.30 : x
  2. Step 2: Convert to fraction form
    108,029.10/161,715.60 = 96,219.30/x
  3. Step 3: Cross multiply
    108,029.10x = 161,715.60 × 96,219.30
  4. Step 4: Simplify right side
    108,029.10x = 15,560,161,831.08
  5. Step 5: Solve for x
    x = 15,560,161,831.08/108,029.10
  6. Step 6: Final answer
    x = 144,036.76

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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.