Home / 283,745.09-391,570.85-156,425.24

Finding the Fourth Proportional to 283,745.09, 391,570.85 and 156,425.24

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Solution

The fourth proportional to 283,745.09, 391,570.85 and 156,425.24 is: 215,868.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,745.09 : 391,570.85 = 156,425.24 : x
  2. Step 2: Convert to fraction form
    283,745.09/391,570.85 = 156,425.24/x
  3. Step 3: Cross multiply
    283,745.09x = 391,570.85 × 156,425.24
  4. Step 4: Simplify right side
    283,745.09x = 61,251,561,448.27
  5. Step 5: Solve for x
    x = 61,251,561,448.27/283,745.09
  6. Step 6: Final answer
    x = 215,868.27

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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.