Home / 140,237.54-193,527.78-76,575.39

Finding the Fourth Proportional to 140,237.54, 193,527.78 and 76,575.39

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Solution

The fourth proportional to 140,237.54, 193,527.78 and 76,575.39 is: 105,674.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,237.54 : 193,527.78 = 76,575.39 : x
  2. Step 2: Convert to fraction form
    140,237.54/193,527.78 = 76,575.39/x
  3. Step 3: Cross multiply
    140,237.54x = 193,527.78 × 76,575.39
  4. Step 4: Simplify right side
    140,237.54x = 14,819,465,229.33
  5. Step 5: Solve for x
    x = 14,819,465,229.33/140,237.54
  6. Step 6: Final answer
    x = 105,674.03

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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.