Home / 139,060.35-191,902.23-75,397.68

Finding the Fourth Proportional to 139,060.35, 191,902.23 and 75,397.68

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Solution

The fourth proportional to 139,060.35, 191,902.23 and 75,397.68 is: 104,048.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,060.35 : 191,902.23 = 75,397.68 : x
  2. Step 2: Convert to fraction form
    139,060.35/191,902.23 = 75,397.68/x
  3. Step 3: Cross multiply
    139,060.35x = 191,902.23 × 75,397.68
  4. Step 4: Simplify right side
    139,060.35x = 14,468,982,928.83
  5. Step 5: Solve for x
    x = 14,468,982,928.83/139,060.35
  6. Step 6: Final answer
    x = 104,048.23

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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.