Home / 283,993.25-391,904.38-156,668.81

Finding the Fourth Proportional to 283,993.25, 391,904.38 and 156,668.81

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Solution

The fourth proportional to 283,993.25, 391,904.38 and 156,668.81 is: 216,199.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,993.25 : 391,904.38 = 156,668.81 : x
  2. Step 2: Convert to fraction form
    283,993.25/391,904.38 = 156,668.81/x
  3. Step 3: Cross multiply
    283,993.25x = 391,904.38 × 156,668.81
  4. Step 4: Simplify right side
    283,993.25x = 61,399,192,848.39
  5. Step 5: Solve for x
    x = 61,399,192,848.39/283,993.25
  6. Step 6: Final answer
    x = 216,199.48

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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.