Home / 118,239.36-163,198.24-67,967.52

Finding the Fourth Proportional to 118,239.36, 163,198.24 and 67,967.52

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Solution

The fourth proportional to 118,239.36, 163,198.24 and 67,967.52 is: 93,811.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,239.36 : 163,198.24 = 67,967.52 : x
  2. Step 2: Convert to fraction form
    118,239.36/163,198.24 = 67,967.52/x
  3. Step 3: Cross multiply
    118,239.36x = 163,198.24 × 67,967.52
  4. Step 4: Simplify right side
    118,239.36x = 11,092,179,641.16
  5. Step 5: Solve for x
    x = 11,092,179,641.16/118,239.36
  6. Step 6: Final answer
    x = 93,811.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.