Home / 171,739.32-236,955.40-99,124.44

Finding the Fourth Proportional to 171,739.32, 236,955.40 and 99,124.44

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Solution

The fourth proportional to 171,739.32, 236,955.40 and 99,124.44 is: 136,765.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,739.32 : 236,955.40 = 99,124.44 : x
  2. Step 2: Convert to fraction form
    171,739.32/236,955.40 = 99,124.44/x
  3. Step 3: Cross multiply
    171,739.32x = 236,955.40 × 99,124.44
  4. Step 4: Simplify right side
    171,739.32x = 23,488,071,329.98
  5. Step 5: Solve for x
    x = 23,488,071,329.98/171,739.32
  6. Step 6: Final answer
    x = 136,765.83

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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.