Home / 217,785.06-326,608.44-70,006.50

Finding the Fourth Proportional to 217,785.06, 326,608.44 and 70,006.50

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Solution

The fourth proportional to 217,785.06, 326,608.44 and 70,006.50 is: 104,987.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,785.06 : 326,608.44 = 70,006.50 : x
  2. Step 2: Convert to fraction form
    217,785.06/326,608.44 = 70,006.50/x
  3. Step 3: Cross multiply
    217,785.06x = 326,608.44 × 70,006.50
  4. Step 4: Simplify right side
    217,785.06x = 22,864,713,754.86
  5. Step 5: Solve for x
    x = 22,864,713,754.86/217,785.06
  6. Step 6: Final answer
    x = 104,987.52

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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.