Home / 112,778.53-155,279.23-95,749.09

Finding the Fourth Proportional to 112,778.53, 155,279.23 and 95,749.09

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Solution

The fourth proportional to 112,778.53, 155,279.23 and 95,749.09 is: 131,832.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,778.53 : 155,279.23 = 95,749.09 : x
  2. Step 2: Convert to fraction form
    112,778.53/155,279.23 = 95,749.09/x
  3. Step 3: Cross multiply
    112,778.53x = 155,279.23 × 95,749.09
  4. Step 4: Simplify right side
    112,778.53x = 14,867,844,968.40
  5. Step 5: Solve for x
    x = 14,867,844,968.40/112,778.53
  6. Step 6: Final answer
    x = 131,832.23

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1.5x scale

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.