Home / 226,511.86-312,579.75-124,537.21

Finding the Fourth Proportional to 226,511.86, 312,579.75 and 124,537.21

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Solution

The fourth proportional to 226,511.86, 312,579.75 and 124,537.21 is: 171,857.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,511.86 : 312,579.75 = 124,537.21 : x
  2. Step 2: Convert to fraction form
    226,511.86/312,579.75 = 124,537.21/x
  3. Step 3: Cross multiply
    226,511.86x = 312,579.75 × 124,537.21
  4. Step 4: Simplify right side
    226,511.86x = 38,927,809,967.50
  5. Step 5: Solve for x
    x = 38,927,809,967.50/226,511.86
  6. Step 6: Final answer
    x = 171,857.71

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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.