Home / 118,258.92-177,381.90-71,499.24

Finding the Fourth Proportional to 118,258.92, 177,381.90 and 71,499.24

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Solution

The fourth proportional to 118,258.92, 177,381.90 and 71,499.24 is: 107,244.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,258.92 : 177,381.90 = 71,499.24 : x
  2. Step 2: Convert to fraction form
    118,258.92/177,381.90 = 71,499.24/x
  3. Step 3: Cross multiply
    118,258.92x = 177,381.90 × 71,499.24
  4. Step 4: Simplify right side
    118,258.92x = 12,682,671,039.76
  5. Step 5: Solve for x
    x = 12,682,671,039.76/118,258.92
  6. Step 6: Final answer
    x = 107,244.94

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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.