Home / 179,140.96-268,742.04-73,902.40

Finding the Fourth Proportional to 179,140.96, 268,742.04 and 73,902.40

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Solution

The fourth proportional to 179,140.96, 268,742.04 and 73,902.40 is: 110,866.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,140.96 : 268,742.04 = 73,902.40 : x
  2. Step 2: Convert to fraction form
    179,140.96/268,742.04 = 73,902.40/x
  3. Step 3: Cross multiply
    179,140.96x = 268,742.04 × 73,902.40
  4. Step 4: Simplify right side
    179,140.96x = 19,860,681,736.90
  5. Step 5: Solve for x
    x = 19,860,681,736.90/179,140.96
  6. Step 6: Final answer
    x = 110,866.22

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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.