Home / 217,238.08-326,033.16-112,087.12

Finding the Fourth Proportional to 217,238.08, 326,033.16 and 112,087.12

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Solution

The fourth proportional to 217,238.08, 326,033.16 and 112,087.12 is: 168,221.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,238.08 : 326,033.16 = 112,087.12 : x
  2. Step 2: Convert to fraction form
    217,238.08/326,033.16 = 112,087.12/x
  3. Step 3: Cross multiply
    217,238.08x = 326,033.16 × 112,087.12
  4. Step 4: Simplify right side
    217,238.08x = 36,544,117,928.90
  5. Step 5: Solve for x
    x = 36,544,117,928.90/217,238.08
  6. Step 6: Final answer
    x = 168,221.51

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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.