Home / 226,082.80-311,998.04-124,117.68

Finding the Fourth Proportional to 226,082.80, 311,998.04 and 124,117.68

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Solution

The fourth proportional to 226,082.80, 311,998.04 and 124,117.68 is: 171,284.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,082.80 : 311,998.04 = 124,117.68 : x
  2. Step 2: Convert to fraction form
    226,082.80/311,998.04 = 124,117.68/x
  3. Step 3: Cross multiply
    226,082.80x = 311,998.04 × 124,117.68
  4. Step 4: Simplify right side
    226,082.80x = 38,724,472,889.35
  5. Step 5: Solve for x
    x = 38,724,472,889.35/226,082.80
  6. Step 6: Final answer
    x = 171,284.47

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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.