Home / 283,723.58-391,538.46-156,401.30

Finding the Fourth Proportional to 283,723.58, 391,538.46 and 156,401.30

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Solution

The fourth proportional to 283,723.58, 391,538.46 and 156,401.30 is: 215,833.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,723.58 : 391,538.46 = 156,401.30 : x
  2. Step 2: Convert to fraction form
    283,723.58/391,538.46 = 156,401.30/x
  3. Step 3: Cross multiply
    283,723.58x = 391,538.46 × 156,401.30
  4. Step 4: Simplify right side
    283,723.58x = 61,237,124,144.00
  5. Step 5: Solve for x
    x = 61,237,124,144.00/283,723.58
  6. Step 6: Final answer
    x = 215,833.75

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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.