Home / 189,826.34-261,952.04-109,256.45

Finding the Fourth Proportional to 189,826.34, 261,952.04 and 109,256.45

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Solution

The fourth proportional to 189,826.34, 261,952.04 and 109,256.45 is: 150,769.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,826.34 : 261,952.04 = 109,256.45 : x
  2. Step 2: Convert to fraction form
    189,826.34/261,952.04 = 109,256.45/x
  3. Step 3: Cross multiply
    189,826.34x = 261,952.04 × 109,256.45
  4. Step 4: Simplify right side
    189,826.34x = 28,619,948,924.04
  5. Step 5: Solve for x
    x = 28,619,948,924.04/189,826.34
  6. Step 6: Final answer
    x = 150,769.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.