Home / 161,610.72-242,517.04-61,779.36

Finding the Fourth Proportional to 161,610.72, 242,517.04 and 61,779.36

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Solution

The fourth proportional to 161,610.72, 242,517.04 and 61,779.36 is: 92,707.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,610.72 : 242,517.04 = 61,779.36 : x
  2. Step 2: Convert to fraction form
    161,610.72/242,517.04 = 61,779.36/x
  3. Step 3: Cross multiply
    161,610.72x = 242,517.04 × 61,779.36
  4. Step 4: Simplify right side
    161,610.72x = 14,982,547,520.29
  5. Step 5: Solve for x
    x = 14,982,547,520.29/161,610.72
  6. Step 6: Final answer
    x = 92,707.63

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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.