Home / 118,281.15-177,450.01-39,396.06

Finding the Fourth Proportional to 118,281.15, 177,450.01 and 39,396.06

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Solution

The fourth proportional to 118,281.15, 177,450.01 and 39,396.06 is: 59,103.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,281.15 : 177,450.01 = 39,396.06 : x
  2. Step 2: Convert to fraction form
    118,281.15/177,450.01 = 39,396.06/x
  3. Step 3: Cross multiply
    118,281.15x = 177,450.01 × 39,396.06
  4. Step 4: Simplify right side
    118,281.15x = 6,990,831,142.47
  5. Step 5: Solve for x
    x = 6,990,831,142.47/118,281.15
  6. Step 6: Final answer
    x = 59,103.51

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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.