Home / 140,964.96-211,564.08-105,791.52

Finding the Fourth Proportional to 140,964.96, 211,564.08 and 105,791.52

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Solution

The fourth proportional to 140,964.96, 211,564.08 and 105,791.52 is: 158,774.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,964.96 : 211,564.08 = 105,791.52 : x
  2. Step 2: Convert to fraction form
    140,964.96/211,564.08 = 105,791.52/x
  3. Step 3: Cross multiply
    140,964.96x = 211,564.08 × 105,791.52
  4. Step 4: Simplify right side
    140,964.96x = 22,381,685,600.60
  5. Step 5: Solve for x
    x = 22,381,685,600.60/140,964.96
  6. Step 6: Final answer
    x = 158,774.82

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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.