Home / 114,119.91-157,467.11-71,735.85

Finding the Fourth Proportional to 114,119.91, 157,467.11 and 71,735.85

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Solution

The fourth proportional to 114,119.91, 157,467.11 and 71,735.85 is: 98,983.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,119.91 : 157,467.11 = 71,735.85 : x
  2. Step 2: Convert to fraction form
    114,119.91/157,467.11 = 71,735.85/x
  3. Step 3: Cross multiply
    114,119.91x = 157,467.11 × 71,735.85
  4. Step 4: Simplify right side
    114,119.91x = 11,296,036,624.21
  5. Step 5: Solve for x
    x = 11,296,036,624.21/114,119.91
  6. Step 6: Final answer
    x = 98,983.93

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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.