Home / 140,500.58-193,893.62-76,842.47

Finding the Fourth Proportional to 140,500.58, 193,893.62 and 76,842.47

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Solution

The fourth proportional to 140,500.58, 193,893.62 and 76,842.47 is: 106,044.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,500.58 : 193,893.62 = 76,842.47 : x
  2. Step 2: Convert to fraction form
    140,500.58/193,893.62 = 76,842.47/x
  3. Step 3: Cross multiply
    140,500.58x = 193,893.62 × 76,842.47
  4. Step 4: Simplify right side
    140,500.58x = 14,899,263,900.68
  5. Step 5: Solve for x
    x = 14,899,263,900.68/140,500.58
  6. Step 6: Final answer
    x = 106,044.15

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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.