Home / 189,261.24-283,892.88-56,142.60

Finding the Fourth Proportional to 189,261.24, 283,892.88 and 56,142.60

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Solution

The fourth proportional to 189,261.24, 283,892.88 and 56,142.60 is: 84,214.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,261.24 : 283,892.88 = 56,142.60 : x
  2. Step 2: Convert to fraction form
    189,261.24/283,892.88 = 56,142.60/x
  3. Step 3: Cross multiply
    189,261.24x = 283,892.88 × 56,142.60
  4. Step 4: Simplify right side
    189,261.24x = 15,938,484,404.69
  5. Step 5: Solve for x
    x = 15,938,484,404.69/189,261.24
  6. Step 6: Final answer
    x = 84,214.20

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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.