Home / 140,238.54-193,529.16-76,576.39

Finding the Fourth Proportional to 140,238.54, 193,529.16 and 76,576.39

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Solution

The fourth proportional to 140,238.54, 193,529.16 and 76,576.39 is: 105,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,238.54 : 193,529.16 = 76,576.39 : x
  2. Step 2: Convert to fraction form
    140,238.54/193,529.16 = 76,576.39/x
  3. Step 3: Cross multiply
    140,238.54x = 193,529.16 × 76,576.39
  4. Step 4: Simplify right side
    140,238.54x = 14,819,764,432.53
  5. Step 5: Solve for x
    x = 14,819,764,432.53/140,238.54
  6. Step 6: Final answer
    x = 105,675.40

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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.