Home / 140,114.79-193,357.41-76,451.22

Finding the Fourth Proportional to 140,114.79, 193,357.41 and 76,451.22

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Solution

The fourth proportional to 140,114.79, 193,357.41 and 76,451.22 is: 105,502.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,114.79 : 193,357.41 = 76,451.22 : x
  2. Step 2: Convert to fraction form
    140,114.79/193,357.41 = 76,451.22/x
  3. Step 3: Cross multiply
    140,114.79x = 193,357.41 × 76,451.22
  4. Step 4: Simplify right side
    140,114.79x = 14,782,409,890.54
  5. Step 5: Solve for x
    x = 14,782,409,890.54/140,114.79
  6. Step 6: Final answer
    x = 105,502.14

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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.