Home / 119,644.34-165,109.20-69,372.50

Finding the Fourth Proportional to 119,644.34, 165,109.20 and 69,372.50

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Solution

The fourth proportional to 119,644.34, 165,109.20 and 69,372.50 is: 95,734.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,644.34 : 165,109.20 = 69,372.50 : x
  2. Step 2: Convert to fraction form
    119,644.34/165,109.20 = 69,372.50/x
  3. Step 3: Cross multiply
    119,644.34x = 165,109.20 × 69,372.50
  4. Step 4: Simplify right side
    119,644.34x = 11,454,037,977
  5. Step 5: Solve for x
    x = 11,454,037,977/119,644.34
  6. Step 6: Final answer
    x = 95,734.06

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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.