Home / 189,809.19-284,571.94-114,911.29

Finding the Fourth Proportional to 189,809.19, 284,571.94 and 114,911.29

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Solution

The fourth proportional to 189,809.19, 284,571.94 and 114,911.29 is: 172,281.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,809.19 : 284,571.94 = 114,911.29 : x
  2. Step 2: Convert to fraction form
    189,809.19/284,571.94 = 114,911.29/x
  3. Step 3: Cross multiply
    189,809.19x = 284,571.94 × 114,911.29
  4. Step 4: Simplify right side
    189,809.19x = 32,700,527,300.34
  5. Step 5: Solve for x
    x = 32,700,527,300.34/189,809.19
  6. Step 6: Final answer
    x = 172,281.06

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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.