Home / 226,543.77-312,638.43-124,576.97

Finding the Fourth Proportional to 226,543.77, 312,638.43 and 124,576.97

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Solution

The fourth proportional to 226,543.77, 312,638.43 and 124,576.97 is: 171,920.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,543.77 : 312,638.43 = 124,576.97 : x
  2. Step 2: Convert to fraction form
    226,543.77/312,638.43 = 124,576.97/x
  3. Step 3: Cross multiply
    226,543.77x = 312,638.43 × 124,576.97
  4. Step 4: Simplify right side
    226,543.77x = 38,947,546,751.76
  5. Step 5: Solve for x
    x = 38,947,546,751.76/226,543.77
  6. Step 6: Final answer
    x = 171,920.63

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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.