Home / 179,110.13-268,665.15-122,779.46

Finding the Fourth Proportional to 179,110.13, 268,665.15 and 122,779.46

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Solution

The fourth proportional to 179,110.13, 268,665.15 and 122,779.46 is: 184,169.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,110.13 : 268,665.15 = 122,779.46 : x
  2. Step 2: Convert to fraction form
    179,110.13/268,665.15 = 122,779.46/x
  3. Step 3: Cross multiply
    179,110.13x = 268,665.15 × 122,779.46
  4. Step 4: Simplify right side
    179,110.13x = 32,986,562,824.59
  5. Step 5: Solve for x
    x = 32,986,562,824.59/179,110.13
  6. Step 6: Final answer
    x = 184,169.16

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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.