Home / 140,555.24-193,968.58-76,893.48

Finding the Fourth Proportional to 140,555.24, 193,968.58 and 76,893.48

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Solution

The fourth proportional to 140,555.24, 193,968.58 and 76,893.48 is: 106,114.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,555.24 : 193,968.58 = 76,893.48 : x
  2. Step 2: Convert to fraction form
    140,555.24/193,968.58 = 76,893.48/x
  3. Step 3: Cross multiply
    140,555.24x = 193,968.58 × 76,893.48
  4. Step 4: Simplify right side
    140,555.24x = 14,914,919,126.86
  5. Step 5: Solve for x
    x = 14,914,919,126.86/140,555.24
  6. Step 6: Final answer
    x = 106,114.29

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1.5x scale

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.