Home / 217,724.60-326,607.55-84,615.14

Finding the Fourth Proportional to 217,724.60, 326,607.55 and 84,615.14

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Solution

The fourth proportional to 217,724.60, 326,607.55 and 84,615.14 is: 126,930.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,724.60 : 326,607.55 = 84,615.14 : x
  2. Step 2: Convert to fraction form
    217,724.60/326,607.55 = 84,615.14/x
  3. Step 3: Cross multiply
    217,724.60x = 326,607.55 × 84,615.14
  4. Step 4: Simplify right side
    217,724.60x = 27,635,943,568.31
  5. Step 5: Solve for x
    x = 27,635,943,568.31/217,724.60
  6. Step 6: Final answer
    x = 126,930.74

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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.