Home / 118,896.04-163,933.06-102,734.14

Finding the Fourth Proportional to 118,896.04, 163,933.06 and 102,734.14

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Solution

The fourth proportional to 118,896.04, 163,933.06 and 102,734.14 is: 141,649.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,896.04 : 163,933.06 = 102,734.14 : x
  2. Step 2: Convert to fraction form
    118,896.04/163,933.06 = 102,734.14/x
  3. Step 3: Cross multiply
    118,896.04x = 163,933.06 × 102,734.14
  4. Step 4: Simplify right side
    118,896.04x = 16,841,521,936.67
  5. Step 5: Solve for x
    x = 16,841,521,936.67/118,896.04
  6. Step 6: Final answer
    x = 141,649.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.