Home / 118,618.26-177,730.55-83,484.11

Finding the Fourth Proportional to 118,618.26, 177,730.55 and 83,484.11

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Solution

The fourth proportional to 118,618.26, 177,730.55 and 83,484.11 is: 125,087.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,618.26 : 177,730.55 = 83,484.11 : x
  2. Step 2: Convert to fraction form
    118,618.26/177,730.55 = 83,484.11/x
  3. Step 3: Cross multiply
    118,618.26x = 177,730.55 × 83,484.11
  4. Step 4: Simplify right side
    118,618.26x = 14,837,676,786.56
  5. Step 5: Solve for x
    x = 14,837,676,786.56/118,618.26
  6. Step 6: Final answer
    x = 125,087.63

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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.