Home / 118,103.13-177,153.98-43,228.49

Finding the Fourth Proportional to 118,103.13, 177,153.98 and 43,228.49

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Solution

The fourth proportional to 118,103.13, 177,153.98 and 43,228.49 is: 64,842.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,103.13 : 177,153.98 = 43,228.49 : x
  2. Step 2: Convert to fraction form
    118,103.13/177,153.98 = 43,228.49/x
  3. Step 3: Cross multiply
    118,103.13x = 177,153.98 × 43,228.49
  4. Step 4: Simplify right side
    118,103.13x = 7,658,097,950.98
  5. Step 5: Solve for x
    x = 7,658,097,950.98/118,103.13
  6. Step 6: Final answer
    x = 64,842.46

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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.