Home / 226,288.22-312,243.03-130,776.47

Finding the Fourth Proportional to 226,288.22, 312,243.03 and 130,776.47

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Solution

The fourth proportional to 226,288.22, 312,243.03 and 130,776.47 is: 180,451.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,288.22 : 312,243.03 = 130,776.47 : x
  2. Step 2: Convert to fraction form
    226,288.22/312,243.03 = 130,776.47/x
  3. Step 3: Cross multiply
    226,288.22x = 312,243.03 × 130,776.47
  4. Step 4: Simplify right side
    226,288.22x = 40,834,041,245.50
  5. Step 5: Solve for x
    x = 40,834,041,245.50/226,288.22
  6. Step 6: Final answer
    x = 180,451.47

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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.