Home / 117,082.72-175,626.96-38,205.28

Finding the Fourth Proportional to 117,082.72, 175,626.96 and 38,205.28

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Solution

The fourth proportional to 117,082.72, 175,626.96 and 38,205.28 is: 57,308.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,082.72 : 175,626.96 = 38,205.28 : x
  2. Step 2: Convert to fraction form
    117,082.72/175,626.96 = 38,205.28/x
  3. Step 3: Cross multiply
    117,082.72x = 175,626.96 × 38,205.28
  4. Step 4: Simplify right side
    117,082.72x = 6,709,877,182.35
  5. Step 5: Solve for x
    x = 6,709,877,182.35/117,082.72
  6. Step 6: Final answer
    x = 57,308.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.