Home / 226,706.10-312,854.38-124,729.33

Finding the Fourth Proportional to 226,706.10, 312,854.38 and 124,729.33

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Solution

The fourth proportional to 226,706.10, 312,854.38 and 124,729.33 is: 172,126.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,706.10 : 312,854.38 = 124,729.33 : x
  2. Step 2: Convert to fraction form
    226,706.10/312,854.38 = 124,729.33/x
  3. Step 3: Cross multiply
    226,706.10x = 312,854.38 × 124,729.33
  4. Step 4: Simplify right side
    226,706.10x = 39,022,117,204.97
  5. Step 5: Solve for x
    x = 39,022,117,204.97/226,706.10
  6. Step 6: Final answer
    x = 172,126.45

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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.