Home / 226,227.45-312,159.17-130,715.69

Finding the Fourth Proportional to 226,227.45, 312,159.17 and 130,715.69

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Solution

The fourth proportional to 226,227.45, 312,159.17 and 130,715.69 is: 180,367.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,227.45 : 312,159.17 = 130,715.69 : x
  2. Step 2: Convert to fraction form
    226,227.45/312,159.17 = 130,715.69/x
  3. Step 3: Cross multiply
    226,227.45x = 312,159.17 × 130,715.69
  4. Step 4: Simplify right side
    226,227.45x = 40,804,099,082.00
  5. Step 5: Solve for x
    x = 40,804,099,082.00/226,227.45
  6. Step 6: Final answer
    x = 180,367.59

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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.