Home / 171,566.51-236,757.74-99,941.91

Finding the Fourth Proportional to 171,566.51, 236,757.74 and 99,941.91

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Solution

The fourth proportional to 171,566.51, 236,757.74 and 99,941.91 is: 137,917.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,566.51 : 236,757.74 = 99,941.91 : x
  2. Step 2: Convert to fraction form
    171,566.51/236,757.74 = 99,941.91/x
  3. Step 3: Cross multiply
    171,566.51x = 236,757.74 × 99,941.91
  4. Step 4: Simplify right side
    171,566.51x = 23,662,020,742.88
  5. Step 5: Solve for x
    x = 23,662,020,742.88/171,566.51
  6. Step 6: Final answer
    x = 137,917.48

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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.