Home / 95,206.86-131,438.11-85,111.12

Finding the Fourth Proportional to 95,206.86, 131,438.11 and 85,111.12

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Solution

The fourth proportional to 95,206.86, 131,438.11 and 85,111.12 is: 117,500.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,206.86 : 131,438.11 = 85,111.12 : x
  2. Step 2: Convert to fraction form
    95,206.86/131,438.11 = 85,111.12/x
  3. Step 3: Cross multiply
    95,206.86x = 131,438.11 × 85,111.12
  4. Step 4: Simplify right side
    95,206.86x = 11,186,845,226.48
  5. Step 5: Solve for x
    x = 11,186,845,226.48/95,206.86
  6. Step 6: Final answer
    x = 117,500.41

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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.