Home / 189,842.94-284,623.86-114,945.48

Finding the Fourth Proportional to 189,842.94, 284,623.86 and 114,945.48

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Solution

The fourth proportional to 189,842.94, 284,623.86 and 114,945.48 is: 172,333.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,842.94 : 284,623.86 = 114,945.48 : x
  2. Step 2: Convert to fraction form
    189,842.94/284,623.86 = 114,945.48/x
  3. Step 3: Cross multiply
    189,842.94x = 284,623.86 × 114,945.48
  4. Step 4: Simplify right side
    189,842.94x = 32,716,226,207.15
  5. Step 5: Solve for x
    x = 32,716,226,207.15/189,842.94
  6. Step 6: Final answer
    x = 172,333.12

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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.