Home / 226,636.10-312,751.28-124,661.55

Finding the Fourth Proportional to 226,636.10, 312,751.28 and 124,661.55

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Solution

The fourth proportional to 226,636.10, 312,751.28 and 124,661.55 is: 172,029.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,636.10 : 312,751.28 = 124,661.55 : x
  2. Step 2: Convert to fraction form
    226,636.10/312,751.28 = 124,661.55/x
  3. Step 3: Cross multiply
    226,636.10x = 312,751.28 × 124,661.55
  4. Step 4: Simplify right side
    226,636.10x = 38,988,059,640.94
  5. Step 5: Solve for x
    x = 38,988,059,640.94/226,636.10
  6. Step 6: Final answer
    x = 172,029.35

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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.