Home / 108,139.92-148,149.23-104,096.82

Finding the Fourth Proportional to 108,139.92, 148,149.23 and 104,096.82

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Solution

The fourth proportional to 108,139.92, 148,149.23 and 104,096.82 is: 142,610.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,139.92 : 148,149.23 = 104,096.82 : x
  2. Step 2: Convert to fraction form
    108,139.92/148,149.23 = 104,096.82/x
  3. Step 3: Cross multiply
    108,139.92x = 148,149.23 × 104,096.82
  4. Step 4: Simplify right side
    108,139.92x = 15,421,863,207.96
  5. Step 5: Solve for x
    x = 15,421,863,207.96/108,139.92
  6. Step 6: Final answer
    x = 142,610.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.