Home / 283,494.48-391,222.68-156,170.16

Finding the Fourth Proportional to 283,494.48, 391,222.68 and 156,170.16

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Solution

The fourth proportional to 283,494.48, 391,222.68 and 156,170.16 is: 215,514.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,494.48 : 391,222.68 = 156,170.16 : x
  2. Step 2: Convert to fraction form
    283,494.48/391,222.68 = 156,170.16/x
  3. Step 3: Cross multiply
    283,494.48x = 391,222.68 × 156,170.16
  4. Step 4: Simplify right side
    283,494.48x = 61,097,308,531.23
  5. Step 5: Solve for x
    x = 61,097,308,531.23/283,494.48
  6. Step 6: Final answer
    x = 215,514.98

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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.