Home / 140,114.71-193,357.94-76,452.46

Finding the Fourth Proportional to 140,114.71, 193,357.94 and 76,452.46

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Solution

The fourth proportional to 140,114.71, 193,357.94 and 76,452.46 is: 105,504.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,114.71 : 193,357.94 = 76,452.46 : x
  2. Step 2: Convert to fraction form
    140,114.71/193,357.94 = 76,452.46/x
  3. Step 3: Cross multiply
    140,114.71x = 193,357.94 × 76,452.46
  4. Step 4: Simplify right side
    140,114.71x = 14,782,689,307.88
  5. Step 5: Solve for x
    x = 14,782,689,307.88/140,114.71
  6. Step 6: Final answer
    x = 105,504.19

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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.