Home / 189,244.98-283,615.28-89,431.68

Finding the Fourth Proportional to 189,244.98, 283,615.28 and 89,431.68

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Solution

The fourth proportional to 189,244.98, 283,615.28 and 89,431.68 is: 134,028.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,244.98 : 283,615.28 = 89,431.68 : x
  2. Step 2: Convert to fraction form
    189,244.98/283,615.28 = 89,431.68/x
  3. Step 3: Cross multiply
    189,244.98x = 283,615.28 × 89,431.68
  4. Step 4: Simplify right side
    189,244.98x = 25,364,190,964.07
  5. Step 5: Solve for x
    x = 25,364,190,964.07/189,244.98
  6. Step 6: Final answer
    x = 134,028.34

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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.