Home / 189,267.15-261,204.37-108,710.22

Finding the Fourth Proportional to 189,267.15, 261,204.37 and 108,710.22

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Solution

The fourth proportional to 189,267.15, 261,204.37 and 108,710.22 is: 150,029.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,267.15 : 261,204.37 = 108,710.22 : x
  2. Step 2: Convert to fraction form
    189,267.15/261,204.37 = 108,710.22/x
  3. Step 3: Cross multiply
    189,267.15x = 261,204.37 × 108,710.22
  4. Step 4: Simplify right side
    189,267.15x = 28,395,583,984.11
  5. Step 5: Solve for x
    x = 28,395,583,984.11/189,267.15
  6. Step 6: Final answer
    x = 150,029.12

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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.