Home / 189,723.60-284,278.20-119,477.20

Finding the Fourth Proportional to 189,723.60, 284,278.20 and 119,477.20

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Solution

The fourth proportional to 189,723.60, 284,278.20 and 119,477.20 is: 179,022.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,723.60 : 284,278.20 = 119,477.20 : x
  2. Step 2: Convert to fraction form
    189,723.60/284,278.20 = 119,477.20/x
  3. Step 3: Cross multiply
    189,723.60x = 284,278.20 × 119,477.20
  4. Step 4: Simplify right side
    189,723.60x = 33,964,763,357.04
  5. Step 5: Solve for x
    x = 33,964,763,357.04/189,723.60
  6. Step 6: Final answer
    x = 179,022.34

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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.