Home / 118,611.51-177,719.82-83,477.36

Finding the Fourth Proportional to 118,611.51, 177,719.82 and 83,477.36

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Solution

The fourth proportional to 118,611.51, 177,719.82 and 83,477.36 is: 125,077.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,611.51 : 177,719.82 = 83,477.36 : x
  2. Step 2: Convert to fraction form
    118,611.51/177,719.82 = 83,477.36/x
  3. Step 3: Cross multiply
    118,611.51x = 177,719.82 × 83,477.36
  4. Step 4: Simplify right side
    118,611.51x = 14,835,580,504.68
  5. Step 5: Solve for x
    x = 14,835,580,504.68/118,611.51
  6. Step 6: Final answer
    x = 125,077.07

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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.