Home / 179,779.10-269,598.55-67,398.05

Finding the Fourth Proportional to 179,779.10, 269,598.55 and 67,398.05

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Solution

The fourth proportional to 179,779.10, 269,598.55 and 67,398.05 is: 101,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,779.10 : 269,598.55 = 67,398.05 : x
  2. Step 2: Convert to fraction form
    179,779.10/269,598.55 = 67,398.05/x
  3. Step 3: Cross multiply
    179,779.10x = 269,598.55 × 67,398.05
  4. Step 4: Simplify right side
    179,779.10x = 18,170,416,616.01
  5. Step 5: Solve for x
    x = 18,170,416,616.01/179,779.10
  6. Step 6: Final answer
    x = 101,070.80

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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.