Home / 140,699.31-194,163.33-77,035.74

Finding the Fourth Proportional to 140,699.31, 194,163.33 and 77,035.74

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Solution

The fourth proportional to 140,699.31, 194,163.33 and 77,035.74 is: 106,308.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,699.31 : 194,163.33 = 77,035.74 : x
  2. Step 2: Convert to fraction form
    140,699.31/194,163.33 = 77,035.74/x
  3. Step 3: Cross multiply
    140,699.31x = 194,163.33 × 77,035.74
  4. Step 4: Simplify right side
    140,699.31x = 14,957,515,807.41
  5. Step 5: Solve for x
    x = 14,957,515,807.41/140,699.31
  6. Step 6: Final answer
    x = 106,308.38

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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.