Home / 189,158.09-283,821.17-99,179.24

Finding the Fourth Proportional to 189,158.09, 283,821.17 and 99,179.24

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Solution

The fourth proportional to 189,158.09, 283,821.17 and 99,179.24 is: 148,812.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,158.09 : 283,821.17 = 99,179.24 : x
  2. Step 2: Convert to fraction form
    189,158.09/283,821.17 = 99,179.24/x
  3. Step 3: Cross multiply
    189,158.09x = 283,821.17 × 99,179.24
  4. Step 4: Simplify right side
    189,158.09x = 28,149,166,021.51
  5. Step 5: Solve for x
    x = 28,149,166,021.51/189,158.09
  6. Step 6: Final answer
    x = 148,812.91

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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.