Home / 131,115.60-180,955.54-73,757.34

Finding the Fourth Proportional to 131,115.60, 180,955.54 and 73,757.34

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Solution

The fourth proportional to 131,115.60, 180,955.54 and 73,757.34 is: 101,794.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,115.60 : 180,955.54 = 73,757.34 : x
  2. Step 2: Convert to fraction form
    131,115.60/180,955.54 = 73,757.34/x
  3. Step 3: Cross multiply
    131,115.60x = 180,955.54 × 73,757.34
  4. Step 4: Simplify right side
    131,115.60x = 13,346,800,054.72
  5. Step 5: Solve for x
    x = 13,346,800,054.72/131,115.60
  6. Step 6: Final answer
    x = 101,794.14

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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.