Home / 119,147.20-164,500.12-73,873.28

Finding the Fourth Proportional to 119,147.20, 164,500.12 and 73,873.28

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Solution

The fourth proportional to 119,147.20, 164,500.12 and 73,873.28 is: 101,992.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,147.20 : 164,500.12 = 73,873.28 : x
  2. Step 2: Convert to fraction form
    119,147.20/164,500.12 = 73,873.28/x
  3. Step 3: Cross multiply
    119,147.20x = 164,500.12 × 73,873.28
  4. Step 4: Simplify right side
    119,147.20x = 12,152,163,424.79
  5. Step 5: Solve for x
    x = 12,152,163,424.79/119,147.20
  6. Step 6: Final answer
    x = 101,992.86

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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.