Home / 113,965.44-157,206.54-68,611.92

Finding the Fourth Proportional to 113,965.44, 157,206.54 and 68,611.92

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Solution

The fourth proportional to 113,965.44, 157,206.54 and 68,611.92 is: 94,644.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,965.44 : 157,206.54 = 68,611.92 : x
  2. Step 2: Convert to fraction form
    113,965.44/157,206.54 = 68,611.92/x
  3. Step 3: Cross multiply
    113,965.44x = 157,206.54 × 68,611.92
  4. Step 4: Simplify right side
    113,965.44x = 10,786,242,545.96
  5. Step 5: Solve for x
    x = 10,786,242,545.96/113,965.44
  6. Step 6: Final answer
    x = 94,644.86

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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.