Home / 226,523.12-312,603.09-124,555.15

Finding the Fourth Proportional to 226,523.12, 312,603.09 and 124,555.15

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Solution

The fourth proportional to 226,523.12, 312,603.09 and 124,555.15 is: 171,886.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,523.12 : 312,603.09 = 124,555.15 : x
  2. Step 2: Convert to fraction form
    226,523.12/312,603.09 = 124,555.15/x
  3. Step 3: Cross multiply
    226,523.12x = 312,603.09 × 124,555.15
  4. Step 4: Simplify right side
    226,523.12x = 38,936,325,485.00
  5. Step 5: Solve for x
    x = 38,936,325,485.00/226,523.12
  6. Step 6: Final answer
    x = 171,886.76

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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.