Home / 283,570.08-391,344.18-156,245.64

Finding the Fourth Proportional to 283,570.08, 391,344.18 and 156,245.64

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Solution

The fourth proportional to 283,570.08, 391,344.18 and 156,245.64 is: 215,628.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,570.08 : 391,344.18 = 156,245.64 : x
  2. Step 2: Convert to fraction form
    283,570.08/391,344.18 = 156,245.64/x
  3. Step 3: Cross multiply
    283,570.08x = 391,344.18 × 156,245.64
  4. Step 4: Simplify right side
    283,570.08x = 61,145,821,864.38
  5. Step 5: Solve for x
    x = 61,145,821,864.38/283,570.08
  6. Step 6: Final answer
    x = 215,628.61

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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.