Home / 175,110.21-262,288.05-118,640.49

Finding the Fourth Proportional to 175,110.21, 262,288.05 and 118,640.49

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Solution

The fourth proportional to 175,110.21, 262,288.05 and 118,640.49 is: 177,705.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,110.21 : 262,288.05 = 118,640.49 : x
  2. Step 2: Convert to fraction form
    175,110.21/262,288.05 = 118,640.49/x
  3. Step 3: Cross multiply
    175,110.21x = 262,288.05 × 118,640.49
  4. Step 4: Simplify right side
    175,110.21x = 31,117,982,773.14
  5. Step 5: Solve for x
    x = 31,117,982,773.14/175,110.21
  6. Step 6: Final answer
    x = 177,705.13

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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.