Home / 281,736.48-422,609.35-79,337.45

Finding the Fourth Proportional to 281,736.48, 422,609.35 and 79,337.45

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Solution

The fourth proportional to 281,736.48, 422,609.35 and 79,337.45 is: 119,007.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,736.48 : 422,609.35 = 79,337.45 : x
  2. Step 2: Convert to fraction form
    281,736.48/422,609.35 = 79,337.45/x
  3. Step 3: Cross multiply
    281,736.48x = 422,609.35 × 79,337.45
  4. Step 4: Simplify right side
    281,736.48x = 33,528,748,175.16
  5. Step 5: Solve for x
    x = 33,528,748,175.16/281,736.48
  6. Step 6: Final answer
    x = 119,007.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.