Home / 217,736.07-326,520.13-84,598.80

Finding the Fourth Proportional to 217,736.07, 326,520.13 and 84,598.80

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Solution

The fourth proportional to 217,736.07, 326,520.13 and 84,598.80 is: 126,865.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,736.07 : 326,520.13 = 84,598.80 : x
  2. Step 2: Convert to fraction form
    217,736.07/326,520.13 = 84,598.80/x
  3. Step 3: Cross multiply
    217,736.07x = 326,520.13 × 84,598.80
  4. Step 4: Simplify right side
    217,736.07x = 27,623,211,173.84
  5. Step 5: Solve for x
    x = 27,623,211,173.84/217,736.07
  6. Step 6: Final answer
    x = 126,865.57

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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.