Home / 95,178.10-131,409.93-85,074.16

Finding the Fourth Proportional to 95,178.10, 131,409.93 and 85,074.16

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Solution

The fourth proportional to 95,178.10, 131,409.93 and 85,074.16 is: 117,459.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,178.10 : 131,409.93 = 85,074.16 : x
  2. Step 2: Convert to fraction form
    95,178.10/131,409.93 = 85,074.16/x
  3. Step 3: Cross multiply
    95,178.10x = 131,409.93 × 85,074.16
  4. Step 4: Simplify right side
    95,178.10x = 11,179,589,410.41
  5. Step 5: Solve for x
    x = 11,179,589,410.41/95,178.10
  6. Step 6: Final answer
    x = 117,459.68

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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.