Home / 119,031.30-164,340.14-73,757.32

Finding the Fourth Proportional to 119,031.30, 164,340.14 and 73,757.32

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Solution

The fourth proportional to 119,031.30, 164,340.14 and 73,757.32 is: 101,832.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,031.30 : 164,340.14 = 73,757.32 : x
  2. Step 2: Convert to fraction form
    119,031.30/164,340.14 = 73,757.32/x
  3. Step 3: Cross multiply
    119,031.30x = 164,340.14 × 73,757.32
  4. Step 4: Simplify right side
    119,031.30x = 12,121,288,294.82
  5. Step 5: Solve for x
    x = 12,121,288,294.82/119,031.30
  6. Step 6: Final answer
    x = 101,832.78

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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.