Home / 140,333.06-193,594.65-80,682.50

Finding the Fourth Proportional to 140,333.06, 193,594.65 and 80,682.50

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Solution

The fourth proportional to 140,333.06, 193,594.65 and 80,682.50 is: 111,304.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,333.06 : 193,594.65 = 80,682.50 : x
  2. Step 2: Convert to fraction form
    140,333.06/193,594.65 = 80,682.50/x
  3. Step 3: Cross multiply
    140,333.06x = 193,594.65 × 80,682.50
  4. Step 4: Simplify right side
    140,333.06x = 15,619,700,348.63
  5. Step 5: Solve for x
    x = 15,619,700,348.63/140,333.06
  6. Step 6: Final answer
    x = 111,304.49

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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.