Home / 283,727.37-391,536.39-154,668.40

Finding the Fourth Proportional to 283,727.37, 391,536.39 and 154,668.40

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Solution

The fourth proportional to 283,727.37, 391,536.39 and 154,668.40 is: 213,438.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,727.37 : 391,536.39 = 154,668.40 : x
  2. Step 2: Convert to fraction form
    283,727.37/391,536.39 = 154,668.40/x
  3. Step 3: Cross multiply
    283,727.37x = 391,536.39 × 154,668.40
  4. Step 4: Simplify right side
    283,727.37x = 60,558,306,373.58
  5. Step 5: Solve for x
    x = 60,558,306,373.58/283,727.37
  6. Step 6: Final answer
    x = 213,438.37

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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.