Home / 226,495.05-312,555.20-124,519.77

Finding the Fourth Proportional to 226,495.05, 312,555.20 and 124,519.77

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Solution

The fourth proportional to 226,495.05, 312,555.20 and 124,519.77 is: 171,832.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,495.05 : 312,555.20 = 124,519.77 : x
  2. Step 2: Convert to fraction form
    226,495.05/312,555.20 = 124,519.77/x
  3. Step 3: Cross multiply
    226,495.05x = 312,555.20 × 124,519.77
  4. Step 4: Simplify right side
    226,495.05x = 38,919,300,993.71
  5. Step 5: Solve for x
    x = 38,919,300,993.71/226,495.05
  6. Step 6: Final answer
    x = 171,832.90

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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.