Home / 113,816.76-157,086.30-66,110.04

Finding the Fourth Proportional to 113,816.76, 157,086.30 and 66,110.04

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Solution

The fourth proportional to 113,816.76, 157,086.30 and 66,110.04 is: 91,242.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,816.76 : 157,086.30 = 66,110.04 : x
  2. Step 2: Convert to fraction form
    113,816.76/157,086.30 = 66,110.04/x
  3. Step 3: Cross multiply
    113,816.76x = 157,086.30 × 66,110.04
  4. Step 4: Simplify right side
    113,816.76x = 10,384,981,576.45
  5. Step 5: Solve for x
    x = 10,384,981,576.45/113,816.76
  6. Step 6: Final answer
    x = 91,242.99

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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.