Home / 627,421.04-940,990.22-178,132.67

Finding the Fourth Proportional to 627,421.04, 940,990.22 and 178,132.67

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Solution

The fourth proportional to 627,421.04, 940,990.22 and 178,132.67 is: 267,158.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,421.04 : 940,990.22 = 178,132.67 : x
  2. Step 2: Convert to fraction form
    627,421.04/940,990.22 = 178,132.67/x
  3. Step 3: Cross multiply
    627,421.04x = 940,990.22 × 178,132.67
  4. Step 4: Simplify right side
    627,421.04x = 167,621,099,441.82
  5. Step 5: Solve for x
    x = 167,621,099,441.82/627,421.04
  6. Step 6: Final answer
    x = 267,158.88

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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.