Home / 118,561.21-177,688.97-103,301.93

Finding the Fourth Proportional to 118,561.21, 177,688.97 and 103,301.93

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Solution

The fourth proportional to 118,561.21, 177,688.97 and 103,301.93 is: 154,819.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,561.21 : 177,688.97 = 103,301.93 : x
  2. Step 2: Convert to fraction form
    118,561.21/177,688.97 = 103,301.93/x
  3. Step 3: Cross multiply
    118,561.21x = 177,688.97 × 103,301.93
  4. Step 4: Simplify right side
    118,561.21x = 18,355,612,910.52
  5. Step 5: Solve for x
    x = 18,355,612,910.52/118,561.21
  6. Step 6: Final answer
    x = 154,819.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.