Home / 139,114.11-191,977.82-75,451.92

Finding the Fourth Proportional to 139,114.11, 191,977.82 and 75,451.92

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Solution

The fourth proportional to 139,114.11, 191,977.82 and 75,451.92 is: 104,123.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,114.11 : 191,977.82 = 75,451.92 : x
  2. Step 2: Convert to fraction form
    139,114.11/191,977.82 = 75,451.92/x
  3. Step 3: Cross multiply
    139,114.11x = 191,977.82 × 75,451.92
  4. Step 4: Simplify right side
    139,114.11x = 14,485,095,116.41
  5. Step 5: Solve for x
    x = 14,485,095,116.41/139,114.11
  6. Step 6: Final answer
    x = 104,123.84

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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.