Home / 108,045.10-161,739.60-96,235.30

Finding the Fourth Proportional to 108,045.10, 161,739.60 and 96,235.30

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Solution

The fourth proportional to 108,045.10, 161,739.60 and 96,235.30 is: 144,060.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,045.10 : 161,739.60 = 96,235.30 : x
  2. Step 2: Convert to fraction form
    108,045.10/161,739.60 = 96,235.30/x
  3. Step 3: Cross multiply
    108,045.10x = 161,739.60 × 96,235.30
  4. Step 4: Simplify right side
    108,045.10x = 15,565,058,927.88
  5. Step 5: Solve for x
    x = 15,565,058,927.88/108,045.10
  6. Step 6: Final answer
    x = 144,060.76

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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.